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: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When Shane goes swimming in warmer water, he can move about quickly, whereas in cooler water, Shane's movement is 
 Choices: A)faster 
B)slower
[A]: slower


[Q]: Paragraph: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.
 Question: The temperature has been dropping in a certain part of the world. The temperature change leads to _____ chemical weathering. 
 Choices: A)less 
B)more
[A]: less


[Q]: 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
[A]:
more