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AP Biology 4.1 Evolution. When or where is allopatric speciation likely seen?

AP Biology 2.1 Evolution. Gene flow occurs when what?

AP Biology 2.5 Evolution. These features might be anatomically similar but could have different functions.

What do snickerdoodles and velocity have in common? Derivatives! No, that wasn't a bad attempt at a joke. Get on our level by watching this speedy...

AP Calculus 1.3 Derivatives. Compute the limit.

Riemann sums are a way to estimate the area under a curve. Check out the video for all the deets.

What do snickerdoodles and velocity have in common? Derivatives! No, that wasn't a bad attempt at a joke. Get on our level by watching this speedy...

AP Calculus 1.3 Derivatives. Compute the limit.

Riemann sums are a way to estimate the area under a curve. Check out the video for all the deets.

AP Chemistry 3.5 Chemical Reaction Rates. How much 85Kr will we need to collect?

AP Chemistry 1.3 Forming and Breaking Bonds. Which of the following ions are spectator ions?

AP Chemistry DBQ/Free Response. Perform the following calculations.

AP Computer Science: Classes and Objects Drill 3, Problem 5. Which of the following is not an object?

AP Computer Science: Classes and Objects Drill 3, Problem 4. Which of the following are objects?

AP Computer Science 4.1 Classes and Objects. Which of the answers is the best definition of a postcondition?

E.T., phone home....or solve this Shmoopy AP Computer Science question.

Doubles and ints. At first glance, it may look like this video will be about baseball and football statistics. But they're actually computer scienc...

AP Computer Science: Review of the Basics Drill 1, Problem 4. What is 11001 (base 2) in base 10?

Which answer best describes the theme of the following passage? And if you say "fission chips," we'll give you half credit. The AP test graders mig...

Which of the following best describes the theme of the passage?

In the last paragraph (lines 64–79), the author suggests that the primary reason Lee took so long to publish her novel was because

It can be reasonably inferred that, to Amory, "Bohemian New York" (line 54) represents

The purpose of the first stanza (lines 1-12) is primarily to

According to the information presented in the first and second paragraph (lines 1-26), it can be reasonably inferred that the kingdom of the Luggna...

AP European History Period 1: 1450-1648 Drill 2, Problem 1. As a result of the meeting in the image, which of the following occurred?

AP European History 2.5 Period 1: 1450-1648. The Thirty Years' War began because of what?

AP European History 1.4 Period 4: 1914-Present. Immediately following Kristallnacht, depicted in the previous image, the Nazis took which action to...

AP Human Geography 1.2 Intro to Geography. The earliest geographers in the Western tradition to discover the Earth was spherical were...who?

AP Human Geography 2.3 Intro to Geography. Which of the following scales would be most appropriate for a map of North and South America that would...

AP Human Geography 3.3 Industrialization and Economics. As a scientific study, human geography examines humans on...what?

AP Macroeconomics 1.1 Measurement of Economic Performance. How do we measure net Domestic Product?

AP Macroeconomics 1.2 Measurement of Economic Performance. What is inflation?

AP Macroeconomics 1.6 Measurement of Economic Performance. Which is true of the basic two sector economy in the circular flow of income model?

AP Microeconomics 1.3 Basic Economic Concepts. Which of the following is not a factor of production for Google?

AP Microeconomics 1.12 Basic Economic Concepts. What is an advantage of specialization and trade?

AP Microeconomics 1.6 Supply and Demand. What will the production possibilities curve for this economy look like?

AP Music Theory 1.1 Aural Skills. Determine the intervals being played and choose the correct notation for the audio sample.

AP Music Theory 3.3 Score Analysis. Which of the following answers names the cadence that moves from IV to I?

AP Music Theory 3.5 Score Analysis. What kind of chord is shown above?

AP Physics 1: 3.3 Changes and Conservation Laws. What is the difference in work done?

AP Physics 1: 3.5 Changes and Conservation Laws. Which of the following would increase the rate at which the plate spins?

AP Physics 1: 2.4 Changes and Conservation Laws. Which of the following circuits should the students use?

AP Physics 1.5 Systems Interactions and Changes. Which of the following statements is true?

AP Physics 2: 2.1 Fields in Space. What is the magnitude and direction of the magnetic force experienced by side 2?

AP Physics 2: 2.2 Object Interaction and Forces. If the distance between the ball and the point charges is doubled, what is the new electric force...

AP Physics B: Newtonian Mechanics Section Drill 2, problem 1. What is the acceleration due to gravity for objects dropped near the surface of Europa?

AP® Physics B: Newtonian Mechanics Drill 1, Problem 3. With what acceleration does lunch arrive?

AP Physics C: Newtonian Mechanics Drill 1, Problem 1. Which of Newton's equations of motion would have to be modified to account for the airplane's...

AP Physics B: Newtonian Mechanics Section Drill 2, problem 1. What is the acceleration due to gravity for objects dropped near the surface of Europa?

AP® Physics B: Newtonian Mechanics Drill 1, Problem 3. With what acceleration does lunch arrive?

AP Physics C: Newtonian Mechanics Drill 1, Problem 1. Which of Newton's equations of motion would have to be modified to account for the airplane's...

AP Psychology 2.3 Testing and Individual Differences. Which factor below needs to be considered in the administration and evaluation of the attenti...

AP Psychology 2.4 Testing and Individual Differences. Which of these is an example of studies used in the nature vs. nurture debate of intelligence?

AP Psychology 1.2 Developmental Psychology. How would you respond to someone stating that babies are born without any real sense of the world aroun...

AP Statistics 3.1 Statistical Inference. Based on the numbers given, which of the following statements is true?

AP Statistics: Exploring Data Drill 1, Problem 2. Which of the following is the best way to display this type of data?

AP Statistics: Exploring Data Drill 1, Problem 5. Which pieces of information would we need to create this graph?

AP U.S. Government 2.3 Constitutional Foundations. Which amendment stated that the right to vote could not be denied on the basis of race?

AP U.S. Government 1.3 Institutions of National Government. What did the Twenty-fifth Amendment do?

AP U.S. Government 3.1 Institutions of National Government. In what case did the Court hold that there was a Constitutional right to marital privacy?

AP U.S. History Period 1: 1491-1607 Drill 3, Problem 2. The cultivation of maize, depicted in the image, also played a significant role in which of...

AP U.S. History 1.2 Period 1: 1491-1607. The introduction of European goods to the Great Plains affected the native population in all of the follow...

What kind of economic model did New England's environment encourage the Iroquois, and similar cultures, to adopt?

AP World History 1.1 Accelerating Global Change and Realignments, c. 1900 to Present. The Treaty of Versailles placed blame for World War I on...wh...

AP World History 4.3 Industrialization and Global Integration, c. 1750 to c. 1900. What was the immediate cause of the First Sino-Japanese War?

AP World History 3.2 Industrialization and Global Integration, c. 1750 to c. 1900. The Sepoy Mutiny resulted in...what?