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: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.
 Question: Milo owns two telescopes, one at the top of a mountain and one at the base. If he looks through the one at the top of the mountain, how much interference can he expect compared to the one at the bottom of the mountain? 
 Choices: A)more 
B)less
A:
less