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).

[EX Q]: Paragraph: The more carbon atoms a hydrocarbon has, the greater the number of isomers.
 Question: Compared to a hydrocarbon with 10 carbon atoms, would a hydrocarbon with a single carbon atom have 
 Choices: A)a greater number of isomers 
B)fewer isomers?
[EX A]: fewer isomers?

[EX Q]: Paragraph: Bigger atoms have more electrons.
 Question: Jan is taking a class where she is learning about atoms. She knows that atoms have electrons, and that atoms that are smaller have 
 Choices: A)more electrons 
B)fewer electrons
[EX A]: fewer electrons

[EX Q]: Paragraph: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: John's company committed to decrease greenhouse gas production worldwide. What likely happens to the global temperature in the future as a result? 
 Choices: A)it will increase 
B)it will decrease
[EX A]:
it will decrease