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: A sunscreen with a higher SPF value protects the skin longer.
 Question: John was analyzing some of the results from his sunscreen study. He found that a lower SPF protects the skin 
 Choices: A)Shorter 
B)Longer

A: Shorter
****
Q: Paragraph: The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.
 Question: A rock has more mass than a pebble. Which object will exhibit a smaller force of attraction? 
 Choices: A)rock 
B)pebble

A: pebble
****
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

A:
higher
****