The Flow of Air in the Upper Atmosphere Is Predominantly

question 57

Multiple Choice

The flow of air in the upper atmosphere is predominantly from

• A)east to west.
• B)west to east.
• C)north to south.
• D)south to north.

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Definitions:

Basalt

A fine-grained, dark-colored mafic igneous rock, with or without vesicles and phenocrysts of pyroxene, olivine, or feldspar.

Dark Lava Rock

Often basalt, this is a type of volcanic rock that is rich in iron and magnesium, giving it a dark coloration.

Continental Crust

The thick part of the Earth's crust that forms the continents and continental shelves, consisting mainly of granitic rocks.

Oceanic Crust

The thin, dense layer of the Earth's crust that underlies the ocean basins, composed primarily of basaltic rock.