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AP Biology: Evolution Drives the Diversity and Unity of Life Drill 1, Problem 1. The first cells on planet Earth were likely what?

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

AP Biology 2.1 Evolution. Gene flow occurs when what?

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?

Want to pull an Oliver Twist and ask us for more? We've gotcha covered. Head over to /video/subjects/test-prep/ap/ap-chemistry/ for more AP Ch...

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

AP Computer Science 1.3 Inheritance, Abstraction, and Polymorphism. Which of the following is true?

AP Computer Science 1.2 Program Development. Which of the following is correct?

AP Computer Science: Classes and Objects Drill 1, Problem 1. Which of the following is a correct {/* Implementation */} for the isInsect method?

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?

Wishing upon a star may help you pass your AP English Language and Composition test, but answering this question would be a safer bet.

AP English Language and Composition: Passage Drill 2, Problem 3. The subject of the passage can best be described as what?

In lines 7-10 ("His helmet now...his alms"), the narrator draws attention to

The word "bark" (line 16) is used

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 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?

AP World History 3.1 Industrialization and Global Integration, c. 1750 to c. 1900. The 1869 construction of which important canal drastically chang...

How is climate classified? Well, we can't tell you, or else it wouldn't be classified. Duh. (Okay, fine. We'll tell you.)

AP Human Geography 2.5 Population. A population pyramid portrays...what?

Human Geography 4.1 Intro to Geography. The correct notation for the absolute location of the equator is...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 4.3 Score Analysis. Identify the errors.

AP Music Theory 4.4 Score Analysis. Identify the errors in either pitch or rhythm. 

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 2.5 Social Psychology. Which of the following is a component of attitude?

AP Psychology 3.4 HIstory and Approaches. Which approach did the psychologist support?

AP Psychology 2.2 History and Approaches. Cross-cultural psychology investigates what?

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 1.1 Civil Rights and Liberties. In which case did the Supreme Court hold that the right of association included a right to exclu...

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. 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 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?

AP World History 3.1 Industrialization and Global Integration, c. 1750 to c. 1900. The 1869 construction of which important canal drastically chang...