The passing of one year marks one complete ___ around the sun.
The ___ is the layer of the atmosphere closest to land.
This occurs when moisture-laden air is forced upward by tall landforms causing precipitation.
The amount of water vapor contained in the atmosphere is called ___.
23.5° south of the equator you will find the ___.
A layer of soil just below the surface that remains permanently frozen is called ___.
Northeasterly Trade Winds are found between the ___ and the equator.
A winter and summer ___ mark the times when the sun's direct rays shine as far north or south of the equator as they will during the year.
Harmful ultraviolet rays emitted by the sun are partially filtered out by the ___.
Every 24 hours, Earth completes one full ___.
revolution
troposphere
orographic percipitation
humidity
Tropic of Capricorn
permafrost
Tropic of Cancer
solstice
ozone layer
rotation
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