The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is:

a. water vapor.
b. nitrous oxide.
c. carbon dioxide.
d. ozone.
e. chlorofluorocarbons


d

Environmental & Atmospheric Sciences

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Organic evolution is predictive, supported by a multitude of evidence, and offers a good explanation of observed

phenomena. Organic evolution, therefore, is considered a ____. a. hypothesis b. law c. theory d. unifying concept e. working model

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Detritus feeders and decomposers are most likely found in the

A) E and B horizon. B) A and O horizon. C) B and C horizon. D) C and E horizon.

Environmental & Atmospheric Sciences

The volcanically active Mid-Atlantic Ridge is marked in Figure 2 with red arrows denoting motion that identifies it as a plate boundary.

A. divergent B. convergent

Environmental & Atmospheric Sciences

What causes downwelling?

a) Cold-core ring rotations downward b) El NiƱo moving South and mixing surface waters c) Marine life going to the bottom of the ocean to find food d) Convergence of surface currents

Environmental & Atmospheric Sciences