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: 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

A: they will fall
****
Q: Paragraph: In the mesosphere, temperature decreases as altitude increases.
 Question: If a person went higher into the mesosphere, would the temperature 
 Choices: A)increase 
B)decrease

A: decrease
****
Q: Paragraph: The more carbon atoms a hydrocarbon has, the greater the number of isomers.
 Question: When we look at a molecule we can determine that if it it has many atoms it will typically have _____ isomers 
 Choices: A)many 
B)few

A:
many
****