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: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass falls away, allowing the rocket to go 
 Choices: A)higher 
B)lower

A: higher
****
Q: Paragraph: Thicker resistors offer less resistance than thinner resistors.
 Question: A large piece of wire will carry _____ current than a thin wire. 
 Choices: A)more 
B)less

A: more
****
Q: Paragraph: A given volume of a denser substance is heavier than the same volume of a less dense substance.
 Question: John was weighing some materials in his science lab. He observed that as objects had lower density, the heaviness of the objects 
 Choices: A)Increased 
B)Decreased

A:
Decreased
****