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: The pupil automatically gets bigger or smaller to let more or less light in as needed.
 Question: Jim looked at his cat's eyes on a bright sunny day, then he looked at the eyes when the cat was in very low light inside the house. In the low light condition, the cat's pupils well be 
 Choices: A)smaller. 
B)larger
[A]: larger


[Q]: Paragraph: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.
 Question: Which planet does the sun have the most gravity effect on? 
 Choices: A)Mars 
B)Mercury
[A]: Mercury


[Q]: Paragraph: Higher frequency waves have greater energy.
 Question: Wendy decreases the frequency of her radio's sound waves. These waves now have _____ energy. 
 Choices: A)more 
B)less
[A]:
less