18. about how many times larger is earth's diameter compared to
the moon's?
a. 2 times
c. 10 times
e. 100 times
b. 4 times
d. 25 times

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.

Which of the following is not a consequence of urban sprawl? increased racial tensions the relocation of industry to the inner cities higher poverty rates in the inner cities higher unemployment rates in the inner cities population losses to inner cities