Photochemical reactions produce
A) principally sulfur dioxides.
B) particulates such as dust, dirt, soot, and ash.
C) ozone and peroxyacetyl nitrates (PAN).
D) carbon monoxide.
C
Environmental & Atmospheric Sciences
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What allows water to be a polar molecule?
a. Hydrogen bonds b. Adhesion c. Surface tension d. The angular shape of the molecule
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Earth's initial atmosphere formed from ________
A) leftover gases from the nebula B) the Sun's solar wind C) outgassing D) comet vaporization
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Hydrothermal fluids are the most important source of metallic ore deposits.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
In terms of the total global supply of water, how much of it is in circulation at any one time?
A) None of it B) A small percentage C) Half of it D) Most of it E) Impossible to estimate
Environmental & Atmospheric Sciences