Worldwide, the single most important chemical weathering agent is ________
A) carbon dioxide
B) water vapor
C) water
D) oxygen
E) nitrogen
Answer: C
Environmental & Atmospheric Sciences
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One common but dangerous gas emitted from volcanoes, which was responsible for many deaths in
Cameroon, is ____________________. Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The highest surface air pressure ever recorded occurred when the air was
A) very wet. B) very high above the surface of Earth. C) very warm. D) very cold.
Environmental & Atmospheric Sciences
A scientific hypothesis that is subsequently extensively tested and continues to appear valid may be called a
A. theory. B. fact. C. scientific method. D. prediction.
Environmental & Atmospheric Sciences
In 2025 it is projected that the largest city will be in
A) North America. B) Europe. C) Latin America. D) Africa. E) Asia.
Environmental & Atmospheric Sciences