The most common gas in the atmosphere is.

A. oxygen (O2).
B. nitrogen (N2).
C. carbon dioxide (CO2).
D. methane (CH4).


Answer: B

Environmental & Atmospheric Sciences

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A language of international communication, such as English, is known as a lingua franca

Indicate whether the statement is true or false.

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An area is found to have a high rate of erosion. What kind of sediment is likely to be in the

surrounding waters? a. Well-sorted sediments b. Poorly-sorted sediments c. One size of sediment d. Course grained sediments

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A thunderstorm cloud is known as a(n) ________________

Fill in the blank(s) with correct word

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Which type of weathering is limited to arid environments?

(a) Exfoliation (b) Frost wedging (c) Hydrolysis (d) Salt crystal growth

Environmental & Atmospheric Sciences