A region can be defined by natural or artificial features.
A "Goldilocks Planet" is the right distance from its Sun to allow temperatures for liquid water. Not too hot, not too cold.
The Sun is our primary energy source. The energy Earth receives from the Sun is in balance with the energy our planet loses to space:
- Earth reflects an average 30% of incoming solar energy back to space
- Earth's atmosphere absorbs about 20% of incoming solar energy
- About 50% of solar energy reaches the land and oceans and warms them
- Earth emits 70% of incoming energy back to space as heat (infrared radiation)
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The planet have temperatures not too hot or too cold
Answer:
They use the land to harvest and grow crops for their family
Explanation:
A.
It sets up two circulation cells where warm air aloft moves toward the poles and cool surface air moves toward the equator.
B.
It sets up two circulation cells where cool air aloft moves toward the poles and warm surface air moves toward the equator.
C.
It sets up two circulation cells where warm air aloft moves toward the equator and cool surface air moves toward the poles.
D.
It sets up two circulation cells where cool air aloft moves toward the equator and warm surface air moves toward the poles.
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ANSWER:
Water seeps into cracks in rocks, freezes, then expands (since ice occupies a slightly larger volume than liquid water). This expansion pushes the sides of the cracks further apart. ... Rocks can slowly break down by a mechanism known as freeze-thaw weathering, or alternatively, frost wedging.