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: Solar power is expensive, but as demand increases technology improves and costs decrease.
 Question: If demand for solar power were to fall, the power would become _____ expensive. 
 Choices: A)less 
B)more
answer:
more


question:
Paragraph: More advanced farming practices allowed a single farmer to grow food for many more people.
 Question: A farmer, using the newest farming practices, can expect to grow _____ crops. 
 Choices: A)more 
B)less
answer:
more


question:
Paragraph: Warm air is less dense than cool air, so it rises higher in the troposphere.
 Question: If Mona cools down the air she is putting into her weather balloon, what will happen to the height that it can rise into the troposphere? 
 Choices: A)increase 
B)decrease
answer:

decrease