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: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.
 Question: Carl is studying climate change, and notes that less ultraviolet radiation is being trapped, which means the earth will be 
 Choices: A)cooler 
B)warmer
answer:
cooler


question:
Paragraph: Larger alkenes have lower boiling and melting points.
 Question: You are conducting an experiment on alkenes and discover that your larger alkenes have _____ boiling and melting points than the smaller ones. 
 Choices: A)lower 
B)higher
answer:
lower


question:
Paragraph: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
 Question: Would it require less strength for a construction worker to move a heavy load of bricks with a pulley that used 
 Choices: A)1 rope segment? 
B)10 rope segments
answer:
10 rope segments