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).

Paragraph: The closer objects are, the stronger the gravitational pull between them.
Question: Mary is looking through her new telescope. She sees some objects in space that are exerting gravitational pulls on each other. If the first two objects are 50,000 miles apart, and the second set of objects are 100,000 miles apart from each other, then the gravitational pull of the second set of objects is
Choices: A)greater
B)less.
less.

Paragraph: Countries with more industry produce more hazardous wastes than those with little industry.
Question: It is likely that China produces more hazardous waste than Canada because it has
Choices: A)less industries.
B)more or
more or

Paragraph: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
Question: For radio transmissions, shorter wavelength waves have
Choices: A)higher or
B)lower frequencies.
higher or