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).

[EX Q]: Paragraph: Smaller sediments are dropped as the slope becomes less steep.
 Question: Dan is watching sand fall down a small hill. The pieces of sand will be very 
 Choices: A)large 
B)small
[EX A]: small

[EX Q]: Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: Ray was traveling in rocket leaving orbit. He ejects the empty fuel containers so the ship can fly 
 Choices: A)higher 
B)lower
[EX A]: higher

[EX Q]: Paragraph: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.
 Question: A non-smoker's body works _____ just to get needed air. 
 Choices: A)less 
B)more
[EX A]:
less