The photochemical reactions responsible for photochemical smog produce
A) carbon dioxide.
B) carbon monoxide.
C) ozone and peroxyacetyl nitrates (PAN).
D) principally sulfur dioxides.
E) particulates such as dust, dirt, soot, and ash.
C
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A revealing tool of historical cultural geography is the study of place names, a practice known as:
A) toponymy B) place utility C) nomenclature D) forenaming
Ultramafic lava flows are significant in the Archean rock record because they indicate that Earth
was 90 percent molten. Indicate whether the statement is true or false.
How are foliated metamorphic rocks classified? Describe some of the rock types found at different
grades of foliated metamorphic rocks. What will be an ideal response?
Structural flood controls often increase overall flood hazard
Indicate whether the statement is true or false