You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Q: Paragraph: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
Question: If Jim downgrades his computer to a less powerful model, what happens to the amount of work it can perform?
Choices: A)it can perform more work then before
B)it can perform less work then before

A: it can perform less work then before
****
Q: Paragraph: If the gas is heated, the particles will move faster as they gain more energy.
Question: If John heats a gas in his bunsen burner, what would happen to the gas particles?
Choices: A)they would move faster
B)they would move slower

A: they would move faster
****
Q: Paragraph: This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.
Question: What happens to the rate at which waves move past a particular spot if Jim increases the wavelength of a sound wave?
Choices: A)increases
B)decreases

A:
decreases
****