What is the role of the ozone layer?

A. It reflects heat to the surface.
B. It creates a warm blanket around the Earth.
C. It protects the surface from ultraviolet radiation from the Sun.
D. It blocks all electromagnetic radiation from space.


Answer: C

Environmental & Atmospheric Sciences

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List three important uses of forest resources that do not require harvesting trees

What will be an ideal response?

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Given that a region has an average annual air temperature of 13°C, what would the subsurface temperature be at a depth of 2 km? Assume the geothermal gradient is the same as the world average geothermal gradient, which is approximately 30°C per kilometer.

A. 80°C B. 93°C C. 60°C D. 73°C

Environmental & Atmospheric Sciences

The balance between additions and losses of sediment in the nearshore zone is known as the

_________________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

What is a climax community?

A) The first community after a large disruption B) A new, growing community C) A stable, long-established community D) The decline of a community after it peaks

Environmental & Atmospheric Sciences