instruction:
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).
question:
Paragraph: For example, more people on the Earth means more people contributing to global warming and pollution.
 Question: What will happen to the levels of pollution on Earth if the population decreases? 
 Choices: A)they will rise 
B)they will fall
answer:
they will fall


question:
Paragraph: The more curved the surface of a lens is, the more it refracts the light that passes through it.
 Question: If Mona is building a lens for looking at the stars and she wants to make sure it refracts less light then the one she previously built, will she need to make the surface more or less curved then the one before? 
 Choices: A)less 
B)more
answer:
less


question:
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
answer:

older