A major source of VOCs is

A. Combustion of sulphur-containing fuel
B. CO in the atmosphere
C. Photochemical oxidation
D. Incomplete burning of hydrocarbons
E. CO2 in the atmosphere


Answer: D

Environmental & Atmospheric Sciences

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The Earth is closer to the Sun during summer in the northern hemisphere than it is during winter.

Answer the following statement true (T) or false (F)

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What key characteristic marks the beginning stages of the collapse of a star?

a. The increase in temperature b. The depletion of carbon and oxygen c. The depletion of hydrogen d. The expulsion of energy

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What influences contour currents?

A) Salinity B) Density C) Topography D) Trade winds

Environmental & Atmospheric Sciences

The Appalachian Mountains are:

a. tilted fault blocks. b. a chain of composite cones. c. flood basalts. d. folded. e. horsts.

Environmental & Atmospheric Sciences