instruction:
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).
question:
Paragraph: An object with greater mass or greater velocity has more kinetic energy.
Question: Which object likely contains less energy?
Choices: A)a pinhead
B)the sun
answer:
a pinhead

question:
Paragraph: Greater use of oil and other fossil fuels causes more pollution.
Question: When we have less cars on the road the pollution levels
Choices: A)decrease
B)increase
answer:
decrease

question:
Paragraph: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
Question: If John decreases the rate at which gas exits the bottom of his rocket, what will happen to the upward momentum of the rocket? It will
Choices: A)increase
B)decrease
answer:
decrease