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: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
 Question: You can find tables that show the pH value of different fruits and vegetables. The fruits such as oranges are very acidic so they have a pH value that is 
 Choices: A)higher 
B)lower

A: lower
****
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 keeps the empty fuel containers on board so the ship can fly 
 Choices: A)higher 
B)lower

A: lower
****
Q: Paragraph: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.
 Question: Living things with great traits should produce _____ offspring than living things with better traits. 
 Choices: A)more 
B)less

A:
more
****