Which of the following components of the atmosphere are most helpful in the cleansing of the air?
A) Hydroxyl radicals
B) Ozone
C) Radon
D) Sulfur dioxide
A
Environmental & Atmospheric Sciences
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The rigid outer layer of Earth that comprises the continental crust, oceanic crust, and the uppermost mantle is called the ____
A) hydrosphere B) lithosphere C) asthenosphere D) outer core
Environmental & Atmospheric Sciences
Concerning the biosphere, the geographic viewpoint is most often concerned with ________
A) taxonomy B) specific plants C) specific animals D) distributions and relationships E) agriculture
Environmental & Atmospheric Sciences
Which of the following controls the rate of groundwater flow?
A. the permeability of the rocks B. the slope of the water table C. how fractured the rocks are D. All of these.
Environmental & Atmospheric Sciences
If 235U has 92 protons, how many neutrons does it have?
A) 25 B) 92 C) 143 D) 235
Environmental & Atmospheric Sciences