Unit 8 progress check frq ap bio - Progress Check FRQ: AP Biology Unit 3. Researchers studied the relationship between glucose concentration, oxygen level, and ATP production in one type of mammalian cell. Cells were isolated and cultured in growth medium containing either 1.5mM glucose or 25 mM glucose and at oxygen levels that varied from 0% to 21% .

 
1.8 - 0.4 mL = 0.14 mL H20/100g/min (±0.02) 15 minutes - 5 minutes OR 1.8 - 0.4 = 0.14 mL H20/100g/min (±0.02) 15-5 OR equivalent Summarize the difference between the rates (1 point). Species A is losing water or transpiring faster than species B. (b) Identify and explain THREE different structural or physiological adaptations that could account . Phun forums

1. During an investigation of a freshwater lake, an AP Biology student discovers a previously unknown microscopic organism. Further study shows that the unicellular organism is eukaryotic. (a) Identify FOUR organelles that should be present in the eukaryotic organism and describe the function of each organelle.👋 Welcome to the AP Bio Unit 7 FRQ (Evolutionary Advantages). These are longer questions, so grab some paper and a pencil, or open up a blank page on your computer. ⚠️ (Unfortunately, we don't have an Answers Guide for this question, but it can give you an idea of how an FRQ for Unit 7 might look on the exam.)MapleWalnuts Top creator on Quizlet Terms in this set (8) (1a) Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions. An ecological community is a ___ habitat with ___ populations (which in this case, are the ___ and ___). defined, interacting, leopards, lionsgive mathematical reasons, and that you verify the needed conditions under which relevant theorems, properties, definitions, or tests are applied. Your work will be scored on theQuestions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each. Read each question carefully and completely.1. A GRAPHING CALCULATOR IS REQUIRED FOR THIS QUESTION. You are permitted to use your calculator to solve an equation, find the derivative of a function at a point, or …Complete the following Personal Progress Checks: Unit 8 Progress Check: MCQ Unit 8 Progress Check: FRQ To access the Personal Progress Checks, log in to your MyAP account (Links to an external site.) , go to AP Classroom, and navigate to the Personal Progress Checks page.Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each. give mathematical reasons, and that you verify the needed conditions under which relevant theorems, properties, definitions, or tests are applied. Your work will be scored on theProgress checks help you gauge student knowledge and skills for each unit through: multiple-choice questions with rationales explaining correct and incorrect answers, and; free-response questions with scoring guides to help you evaluate student work. My Reports highlights progress for every student and class across AP units.Popular books. Biology Mary Ann Clark, Jung Choi, Matthew Douglas. College Physics Raymond A. Serway, Chris Vuille. Essential Environment: The Science Behind the Stories Jay H. Withgott, Matthew Laposata. Everything's an Argument with 2016 MLA Update University Andrea A Lunsford, University John J Ruszkiewicz. Lewis's …6 Questions Directions: Questions 1 and 2 are long free-response questions that require about 25 minutes each to answer. Questions 3 through 6 are short free-response questions that require about 10 minutes each to answer. Read each question carefully and completely. Answers must be written out in paragraph form.AP Chemistry Scoring Guide Unit 8 Progress Check: MCQ ... Unit 8 Progress Check: MCQ A.? in print beyond your school’s participation in the program is prohibited. ... Questions 1 and 2 are long free-response questions that require about 25 minutes each to answer. Questions 3 through 6 are short free-response questions that require about 10 minutes each to answer. Read each question carefully and completely.Study with Quizlet and memorize flashcards containing terms like 1. 1994 Genetic variation is the raw material for evolution. a. Explain three cellular and/or molecular mechanisms that introduce variation into the gene pool of a plant or animal population. b. Explain the evolutionary mechanisms that can change the composition of the gene pool., 2004 …The ionic bond between oxygen and hydrogen create partial charges on the molecule. 2. Water molecules interact with one another through: A. Covalent bonds. B. Hydrogen bonds. C. Ionic bonds. D. Intramolecular forces. 3. Two students are arguing about which elements are most prevalent in living things.AP Biology Scoring Guide Unit 8 Progress Check: FRQ 0 1 The response indicates that medium-sized animals are the leopards’ most common prey. It also …Put your AP Bio: Unit 8 knowledge to the test!Understand what topics you need to study more. Start Quiz. Additional Resources. Study Tools. Download the 2024 AP Biology Cheat Sheet PDF. 1 min read. 2024 AP Biology Exam Guide. ... Unit 4 FRQ (Cellular Regulatory Mechanisms) with Feedback.Figure 1. The total number of individuals in the leopard and lion populations over a six-year period Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions. Please respond on separate paper, following directions from your teacher.AP Biology Scoring Guide Unit 6 Progress Check: FRQ 0 1 The response indicates that there will be little or no luciferase activity if plasmid is introduced into nonlymphoid cells such as a line of kidney tissue cells.👋 Welcome to the AP Bio Unit 7 FRQ (Evolutionary Advantages). These are longer questions, so grab some paper and a pencil, or open up a blank page on your computer. ⚠️ (Unfortunately, we don't have an Answers Guide for this question, but it can give you an idea of how an FRQ for Unit 7 might look on the exam.)Question 1. Scientists interested in the relationship among vision, foraging for food, and fitness studied three isolated populations of a small species of primate whose diet includes small insects and fruit, both of which the animals primarily identify by sight. The three populations were once part of a larger population that was fragmented as ...Study with Quizlet and memorize flashcards containing terms like (a) Describe the first interaction that triggers signaling to begin in a target cell., (b) Identify a dependent variable in the experimental design. Identify a negative control for the effects of hormone addition. Identify a likely reason why the researchers continued their ...Unit 3 Progress Check: FRQ. 3.0 (2 reviews) Describe how a pH below or above this range is likely to affect enolase and its catalytic ability. Click the card to flip 👆. A pH above or below thia range will most likely cauae enolase to change its shape and be less efficiant to catalyze the reaction. Click the card to flip 👆.BIOLOGY 101 AP Biology Scoring Guide Unit 8 Progress Check: FRQ Copyright © 2017. The College Board. These materials are part of a College Board program. Use or distribution of these materials online or in print beyond your school's participation in the program is prohibited. Page 1 of 8 1. Read each question carefully.CollegeBoard AP Classroom Unit 8 Progress Check: FRQ Part A Amanda Cotumaccio X < 2of2 > Question 2 Q In your response, be sure to address all parts of the question. Use complete sentences; an outline or bulleted list alone is not acceptable. "I want to talk to you right now about a fundamental threat to American democracy ...👋 Welcome to the AP Bio Unit 5 FRQ (Punnett Squares) Answers. Have your responses handy as you go through the rubrics to see how you did! ⏱ Remember, the AP Biology exam has 6 free-response questions, and you will be given 90 minutes to complete the FRQ section. (This means you should give yourself ~15 minutes to go through each …Question 1 is on the following page. The binding of an extracellular ligand to a G protein-coupled receptor in the plasma membrane of a cell triggers intracellular signaling (Figure 1, A). After ligand binding, GTP replaces the GDP that is bound to Gsa, a subunit of the protein (Figure 1, B). This causes University of Pennsylvania. Quiz 8 - Scoring Guide.pdf. Unit 8 MCQ Exercise Question.docx. Quiz 7 - Scoring Guide.pdf. View More. AP BiologyEcology Quiz Page 20 of 22 24.biodiversity. surface of Earth. 25. each question completely before you begin. Adult male guppies (Poecilia reticulataenvironment containing no predators.a. Nitrogen – ionic nitrogen in the soil. b. Water – atmospheric water vapor. c. Carbon – dissolved CO2 in aquatic ecosystems. d. Phosphorous – sedimentary rocks. Subtraction of which of the following will convert gross primary productivity into net primary productivity? a. the energy contained in the standing crop. Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. That means it should take you around 15 minutes to complete 10 questions . The following questions were not written by College Board and although they cover information outlined in the AP Biology …I have a 270 slide lecture of the immune system, circulatory system, and osmoregulation to go through before my test on Friday even though it’s never on the AP tests. I just wish teachers would give us time to study for the AP test since that gets us college credit not our class grade. But no, I don’t know how to find the answers. 1. During an investigation of a freshwater lake, an AP Biology student discovers a previously unknown microscopic organism. Further study shows that the unicellular organism is eukaryotic. (a) Identify FOUR organelles that should be present in the eukaryotic organism and describe the function of each organelle.Study with Quizlet and memorize flashcards containing terms like Many biological structures are composed of smaller units assembled into more complex structures having functions based on their structural organization. For the following complex structures, describe the smaller units, their assembly into the larger structures, and one major function of these larger, organized structures ...Complete the following Personal Progress Checks: Unit 8 Progress Check: MCQ Unit 8 Progress Check: FRQ To access the Personal Progress Checks, log in to your MyAP account (Links to an external site.) , go to AP Classroom, and navigate to the Personal Progress Checks page.Any PersonalYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: College Board AP Classroom Unit 8 Progress Check: FRQ Part A 이 - Let R be the region in the first quadrant enclosed by the graphs of y = arctan r and y = z. as shown in the figure above. (a) Find the area of R Type here to search O O O O ...I have a 270 slide lecture of the immune system, circulatory system, and osmoregulation to go through before my test on Friday even though it’s never on the AP tests. I just wish teachers would give us time to study for the AP test since that gets us college credit not our class grade. But no, I don’t know how to find the answers. Study with Quizlet and memorize flashcards containing terms like Many biological structures are composed of smaller units assembled into more complex structures having functions based on their structural organization. For the following complex structures, describe the smaller units, their assembly into the larger structures, and one major function of these larger, organized structures ... Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each. Nov 16, 2021 · ⏱ The AP Biology exam has 6 free-response questions, and you will be given 90 minutes to complete the FRQ section. (This means you should give yourself ~15 minutes to go through each practice FRQ.) 🤔 Need a quick refresher of the unit as a whole? Check out the Unit 8 Overview; 😩 Getting stumped halfway through answering? Look through ... Biology Practice Exam From the 2013 Administration This is a modified version of the 2013 AP Biology Exam. • This practice exam is provided by the College Board for AP Exam preparation. • Exams may not be posted on school or personal websites, nor electronically redistributed for any reason.ASTRONOMY FINAL. 72 terms. letters4liz. Final review. 100 terms. MaddieJarvis47. 1 / 7. Study with Quizlet and memorize flashcards containing terms like who was Darwin and what was his mechanism for evolution, Who was Lamark and what were his ideas on evolution, homologous vs analogous structures and more.May 12, 2021 · AP Statistics. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket AP Chemistry Scoring Guide Unit 7 Progress Check: FRQ Copyright © 2017. The College Board. These materials are part of a College Board program.In Albanian language, according to the vocabulary we find the word nation ( a stable community of people, formed historically and based on the Unit 5 Progress Check: FRQ Select a point value to view scoring criteria, solutions, and/or examples and to score the response.. To earn credit, the response must be consistent with the graph drawn in part.Sequential triplets of nucleotides called codons specify each amino acid to be added, in order, to the growing polypeptide chain. (b) Identify the independent variable in the …AP Biology 2023 Mrs. Jones’ Responses # 1 The addition of a phosphate group to a protein could cause the protein to have a conformational shape change. Due to this shape change, the protein can go from an active to an inactive form. During the process of a phosphorylation cascade, the intermediates that are activated willAP BIO Unit 4 Released FRQs 2 0 1 5 # 4 . 2 0 1 5 # 4 A n sw e r K e y . 2 0 1 3 # 8 . 2 0 1 3 # 8 A n sw e r K e y . 2 0 11 B # 1 . 2 0 11 B ... Regulation: Correct description of checkpoints, which block cell cycle progress unless specific molecular and/or physical conditions are satisfied (1 point each; 2 points maximum)Your teacher can assign these assessments to give you feedback on your understanding of content and skills in each unit of the course. Assignments & Reports These sections in AP Classroom show all assignments from your teacher and give you detailed results on your learning progress with helpful links for further study.View AP Bio Unit 8:Ecology FRQ from SCIENCE 106 at Leon High School. ALL TYPED QUESTIONS ARE ON THIS PAGE 1. b) BLUE= Leopards RED= Lions Lion's most common size is large and very large, while ... Maryam Jaber - Unit 8 FRQ document.docx. Solutions Available. William T. Dwyer High School. BIO 123. …A. The advent of new racial and other ideologies that justified exterminating minority populations. The developments illustrated by the poster were most directly motivated by the spread of. nationalism, which led to heightened conflict between ethnic groups. Which of the following best explains the context of the development alluded to in the ...Unit 8 Progress Check: MCQ Biology 30 AP - Population and Community Dynamics. 5.0 (8 reviews) Flashcards; Learn; Test; Match; Q-Chat; Get a hint. In the mid-1920s, gray wolves, Canis lupus, were eliminated from Yellowstone National Park in the northwestern United States. Over the course of 1995 and 1996, 31 wolves from Canada were relocated …Exam (elaborations) - Apes unit 8 progress check: mcq part a_ correct answers 2022/2023 Show more AP Environmental Science |APES Unit 1-8 Progress Check: MCQ’s Complete Answered 100% correctlyPopulation ecology is a subfield of ecology that focuses on the dynamics of species populations and how they interact with their environment. It involves the study of factors that affect the size and distribution of populations, as well as their survival and reproductive success. Some of the key concepts in population ecology include population ...Unit 8 - Review & AP Test Prep. Unit 8 - Review & AP Biology Test Preparation. Practice Numeric Response Questions. Videos to Help!: Exam. 7 Science Practices Videos. Genetics Review. Homeostasis Review. Natural Selection Review.This is especially helpful for solving questions you need to practice such as Phylogenetic trees, Mendelian Genetics, and Chi-Square. I guarantee you that all the AP Bio resources in this comprehensive list will help you a lot in the long run. With hard work and continuous practice, you will definitely ace the AP exam in May and get that 5.Popular books. Biology Mary Ann Clark, Jung Choi, Matthew Douglas. College Physics Raymond A. Serway, Chris Vuille. Essential Environment: The Science Behind the Stories Jay H. Withgott, Matthew Laposata. Everything's an Argument with 2016 MLA Update University Andrea A Lunsford, University John J Ruszkiewicz. Lewis's …Recorded with https://screencast-o-matic.comMapleWalnuts Top creator on Quizlet Terms in this set (8) (1a) Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions. An ecological community is a ___ habitat with ___ populations (which in this case, are the ___ and ___). defined, interacting, leopards, lionsPut your AP Bio: Unit 8 knowledge to the test!Understand what topics you need to study more. Start Quiz. Additional Resources. Study Tools. Download the 2024 AP Biology Cheat Sheet PDF. 1 min read. 2024 AP Biology Exam Guide. ... Unit 4 FRQ (Cellular Regulatory Mechanisms) with Feedback.6 Questions Directions: Questions 1 and 2 are long free-response questions that require about 25 minutes each to answer. Questions 3 through 6 are short free-response questions that require about 10 minutes each to answer. Read each question carefully and completely. Answers must be written out in paragraph form. Study with Quizlet and memorize flashcards containing terms like (a) Describe the first interaction that triggers signaling to begin in a target cell., (b) Identify a dependent variable in the experimental design. Identify a negative control for the effects of hormone addition. Identify a likely reason why the researchers continued their experiment for 240 minutes., (c) Describe the hormone ...7.1 Introduction to Natural Selection. As you've glimpsed in the unit overview (via the previous section), this unit doubles down on the concept of evolution. Evolution refers to the process by which populations of living organisms change over time, characterized by a change in the genetic makeup. This change is driven by natural …Ap Bio Unit 4 Progress Check Frq Answers - Sartoria Lorenzi. Page 6 of 8 AP Biology Scoring Guide Unit 7 Progress Check: FRQ Please respond on separate paper, following. de Ap physics unit 8 progress check mcq answers ...Study with Quizlet and memorize flashcards containing terms like A group of students must conduct an experiment to determine how the location of an applied force on a classroom door affects the rotational motion of the door. The rotational inertia of the door about its hinges is known. The initial angular velocity of the door is zero. Which of the following …Progress Check FRQ: AP Biology Unit 3. Researchers studied the relationship between glucose concentration, oxygen level, and ATP production in one type of mammalian cell. Cells were isolated and cultured in growth medium containing either 1.5mM glucose or 25 mM glucose and at oxygen levels that varied from 0% to 21% . 1 pt. In most ecosystems, net primary productivity is important because it represents the. Energy used in respiration by herbivores. Total solar energy converted to chemical energy by producers. Biomass for all producers. Energy available for trophic levels above producers. Multiple Choice.AP® BIOLOGY EQUATIONS AND FORMULAS ... points after the addition of the resveratrol solution and find an increase in ATP production by the muscle cells. (a) Describe . the primary advantage for a mammalian muscle cell in using aerobic respiration o ver fermentation. (b)This is especially helpful for solving questions you need to practice such as Phylogenetic trees, Mendelian Genetics, and Chi-Square. I guarantee you that all the AP Bio resources in this comprehensive list will help you a lot in the long run. With hard work and continuous practice, you will definitely ace the AP exam in May and get that 5.Mar 30, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Study with Quizlet and memorize flashcards containing terms like (a) Describe the role of oxygen in cellular respiration., (b) Using the template, construct an appropriately labeled graph to represent the data in Table 1., (c) Describe the relationship between the concentration of glucose in the culture medium and the ATPATP concentration in the …Questions 3-8 are short free-response questions that require about 6 minutes each to answer. Questions 3-5 are worth 4 points each and questions 6-8 are worth 3 points each. Read each question carefully and completely. You are advised to spend the 10-minute reading period planning your ... AP Biology 2019 Free-Response QuestionsMar 30, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Answer: In a hypertonic environment, the concentration of solutes is higher outside of the cell. To reach equilibrium, a net flow of water will exit the cell, causing the cell to lose water and become smaller in volume. 📄 Study AP Biology, Unit 2.8: Tonicity and Osmoregulation. 12. A plant cell and animal cell enter a hypotonic environment.Questions 3-8 are short free-response questions that require about 6 minutes each to answer. Questions 3-5 are worth 4 points each and questions 6-8 are worth 3 points each. Read each question carefully and completely. You are advised to spend the 10-minute reading period planning your ... AP Biology 2019 Free-Response QuestionsBIOLOGY 101 AP Biology Scoring Guide Unit 8 Progress Check: FRQ Copyright © 2017. The College Board. These materials are part of a College Board program. Use or distribution of these materials online or in print beyond your school's participation in the program is prohibited. Page 1 of 8 1. Read each question carefully.The content of the funeral banner of Lady Dai (Xin Zhui) is similar to the last judgment of Hu-Nefer, from his tomb (page from the Book of the Dead) in that each one depicts. the deceased after death. The influence of multiple viewpoints and visual motifs in Chinese paintings such as Fan Kuan's Travelers among Mountains and Streams can be seen in.Unit 4: Complete in AP Classroom Personal Progress Check FRQ Aand FRQPartB. Unit 5: Indigenous Americas (1000 BCE–1980 CE) Topics Skills ... Unit 5: In AP Classroom, Complete Personal Progress Check Unit 8: In AP Classroom, MCQ and FRQ Unit 6: Africa (1100-1980 CE) Topics Skills 6.1 Cultural Contexts of African Art 1.C, 2.A, 2.C, 3.A,AP Statistics. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket

A state that does not have the capacity to tell the colonial or neocolonial rulers that it will act independently, in spite of what those rulers think, is completely handicapped.. Primepay benefits login

unit 8 progress check frq ap bio

Objective ENE-2.C from the AP Biology Course and Exam Description) and explain why transport of an ion across a membrane results in the loss of water from the cell (Learning Objective ENE-2.H). Responses to part (b) were expected to demonstrate understanding of the design of the experiment (Science Practice 3.C).AP World History: Modern Test Booklet Unit 8 Progress Check: FRQ Part B Copyright © 2021. The College Board. These materials are part of a College Board program. Explanation (2 points) Antibodies are unable to enter the cell. (Extracellular) antibodies will not bind to (intracellular) estrogen receptors. 2017 The College Board. Visit the College Board on the Web: www.collegeboard.org. AP® BIOLOGY 2017 SCORING COMMENTARY Question 8 OverviewComplete the following Personal Progress Checks: Unit 8 Progress Check: MCQ Unit 8 Progress Check: FRQ To access the Personal Progress Checks, log in to your MyAP account (Links to an external site.) , go to AP Classroom, and navigate to the Personal Progress Checks page. View AP Bio Unit 8:Ecology FRQ from SCIENCE 106 at Leon High School. ALL TYPED QUESTIONS ARE ON THIS PAGE 1. b) BLUE= Leopards RED= Lions Lion's most …Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.AP World History: Modern Test Booklet Unit 8 Progress Check: FRQ Part B Copyright © 2021. The College Board. These materials are part of a College Board program.AP Computer Science A Unit 8 Progress Check: MCQ. 5.0 (7 reviews) A two-dimensional array myArray is to be created with the following contents. { {0, 0, 3}, {0, 0, 0}, {7, 0, 0}} Which of the following code segments can be used to correctly create and initialize myArray ?Find the volume of the solid obtained by rotating the region bounded by the given curves about the x-axis. Sketch the region, the solid, and a typical disk or washer. y=2-\frac {1} {2} x, y=0, x=1, x=2 y = 2− 21x,y = 0,x= 1,x = 2. Verified answer. environmental science. Most ocean pollution arises from activity on land. Oct 21, 2023 · Study with Quizlet and memorize flashcards containing terms like (a) Describe the role of oxygen in cellular respiration., (b) Using the template, construct an appropriately labeled graph to represent the data in Table 1., (c) Describe the relationship between the concentration of glucose in the culture medium and the ATPATP concentration in the cells. and more. Question 1 is on the following page. The binding of an extracellular ligand to a G protein-coupled receptor in the plasma membrane of a cell triggers intracellular signaling (Figure 1, A). After ligand binding, GTP replaces the GDP that is bound to Gsa, a subunit of the protein (Figure 1, B). This causesFigure 1. The total number of individuals in the leopard and lion populations over a six-year period Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions. Please respond on separate paper, following directions from your teacher.MapleWalnuts Top creator on Quizlet Terms in this set (8) (1a) Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions. An ecological community is a ___ habitat with ___ populations (which in this case, are the ___ and ___). defined, interacting, leopards, lionsCollegeBoard AP Classroom Unit 8 Progress Check: FRQ Part A Amanda Cotumaccio X < 2of2 > Question 2 Q In your response, be sure to address all parts of the question. Use complete sentences; an outline or bulleted list alone is not acceptable. "I want to talk to you right now about a fundamental threat to American democracy ...In a certain small mammal, fur color is controlled by a pair of alleles, with B being dominant over b. The genotypes BB and Bb result in dark-colored fur, the genotype bb results in light-colored fur. A population of the species has the following allele frequencies: B=0.85 and b=0.15. If a fire caused the surface of the ground in the habitat of ...give mathematical reasons, and that you verify the needed conditions under which relevant theorems, properties, definitions, or tests are applied. Your work will be scored on theAP Statistics. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket.

Popular Topics