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Air moves toward a low-pressure region where it

The ozone layer is a region within the

The most common depositional shoreline feature is a

The warming of the lower atmosphere (the greenhouse effect) results from the

The process of photosynthesis is important because it

Air temperature and pressure ________ with increasing elevation and ________ as you approach sea level.

The process where an element spontaneously changes into a different element (transmutation) by a change in the nucleus of an atom is called

Energy is transported from the tropics to the polar regions chiefly by

When a wave moves, the water

The first reptiles occurred during the