A planetary atmosphere with ozone could protect surface dwellers from

a. ultraviolet radiation.
b. charged particles in the solar wind.
c. meteor impacts.
d. optical radiation


Answer: a. ultraviolet radiation.

Environmental & Atmospheric Sciences

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Which of the following conditions act to limit vegetation in Namibia?

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The maximum incline at which sediments on a slope can remain at rest before pulled downward by gravity is known as the

A) angle of repose. B) slope. C) free face. D) regolith. E) catchment.

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Water transmits sound very well compared to other fluids and gases.

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

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Which statement about the IPCC findings is accurate?

A. It establishes a high degree of certainty in the results. B. It proves beyond a shadow of a doubt that global warming is caused by humans. C. It proves beyond a shadow of a doubt that global warming is natural. D. It shows how a bunch of scientists have found a way to keep getting funded to do bogus research.

Environmental & Atmospheric Sciences