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).

Paragraph: Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.
 Question: A fossil in the lowest layer of rock would be _____ than one higher up. 
 Choices: A)younger 
B)older
older

Paragraph: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
 Question: When a baby drinks very little milk from their mother then their mother makes 
 Choices: A)less milk 
B)more milk
less milk

Paragraph: Water becomes more dense when it is colder and when it has more salt.
 Question: Given two equal measures of water by volume, which would be lighter 
 Choices: A)ocean water 
B)distilled water?
distilled water?