Multiple Choice
Which is a danger of increased ultraviolet exposure at the Earth's surface?
A) The diminishing of yields in many crops.
B) The killing of microorganisms on the ocean surface.
C) The increase of skin cancer in humans.
D) The suppression of the human immune system.
E) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q27: Argon is the_ most plentiful gas in
Q28: Given the relationship between altitude and atmospheric
Q29: The concentration of carbon dioxide in the
Q31: Which of the following makes up more
Q33: It is thought that the Earth's climate
Q34: In the atmosphere, the temperature decreases with
Q35: Some particulates absorb the water vapor around
Q36: By volume, which of the following comprises
Q37: Which of the following exists highest in
Q139: _ is added to the atmosphere by