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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 5.5 Free Energy and Molecular Building Blocks. Which of the following statements does this evidence best support?

AP Calculus: Problem Explanation Limits Drill 1, Problem 1. Which of the following are true about the pictured function?

AP Calculus 2.5 Limits. What is the limit?

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...

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...

Time to calculate some half-life. And no, you can't only half-pay attention.

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.

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

APCS: Review of the Basics Drill 2, Problem 1. What is the output of the code segment?

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

Take a look at this shmoopy AP English Language and Composition question and see if you can figure out which answer best describes the development...

AP English Language and Composition 7.4 Passage Drill. Which of the following statements best summarizes paragraph 3?

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...

In line 27, the adjective "inexpressible" is used

The main idea of the second paragraph (lines 24-33) can best be restated that

AP European History 1.4 Period 3: 1815-1914. As evidenced through the passage above, Karl Marx was a passionate leader and is considered the father...

AP European History 2.3 Period 2: 1648-1815. Supporters of this image would argue that philosophers of the Enlightenment were mostly inspired by wh...

AP European History 1.5 Period 1: 1450-1648. Machiavelli's The Prince was similar to Thomas More's philosophy because it...what?

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

AP Human Geography 3.2 Intro to Geography. Why is language considered a cultural characteristic?

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

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 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 Music Theory 3.2 Score Analysis. What notes would have sharps in the key of c sharp minor?

AP Physics 1: 1.5 Properties of Objects and Systems. Which of the following can be classified as a system?

We wouldn't give away the answer to this AP Physics question, not for all the joules in the crown. Come back when you've got some actual jewels. Th...

AP Physics 1: 3.3 System Interactions and Changes. What is the change in angular momentum?

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...

Sleep spindles... those are what did in Sleeping Beauty, right? Not quite, but are a pretty important part of your beauty sleep.

AP Psychology 2.5 Testing and Individual Differences. Which of the following statements represents the work of L.L. Thurstone?

AP Psychology 1.4 History and Approaches. Who would agree with the following statement?

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

AP Statistics 2.1 Exploring Data. How does this change affect the mean, standard deviation, and IQR?

AP Statistics: Exploring Data Drill 3, Problem 3. What is the interquartile range?

AP U.S. Government 2.5 Civil Rights and Liberties. The intermediate standard of review established in Craig v. Boren...what?

AP U.S. Government 2.4 Political Beliefs and Behaviors. A poll that attempts to identify underlying views and attitudes rather than views on a part...

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. 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 U.S. History Exam 1.1. Which of Spain's reasons for establishing colonies in North America is most clearly represented by the excerpt?

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...