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: With fewer trees, the air is drier and droughts are more common.
 Question: Dan notices that there were many new trees planted this year. Since there are so many trees in the area, Dan expects the air to be 
 Choices: A)moist 
B)dry
moist

Paragraph: So the higher an object is above a surface, the more potential energy it has.
 Question: A ball that is on the top of the empire state building about to be dropped off will have _____ potential energy than a ball on the ground. 
 Choices: A)more 
B)less
more

Paragraph: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.
 Question: Mona lives in a nation that doesn't use a lot of fossil fuels. What would happen to her countries levels of air pollution if they were to increase their usage? 
 Choices: A)increase 
B)decrease

increase