Uneven heating of land and water creates wind by forming _____
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  • equal temperature zones
  • different volume zones
  • equal density zones
  • different pressure zones
Cool air rushing in toward the low pressure zone over the land forms a _____
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  • sea current
  • land current
  • sea breeze
  • land breeze
Air is constantly moving all around the world in cycles, or _____
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  • flows
  • currents
  • ovals
  • circuits
Earth is a sphere, so the sun's rays hit the middle of the Earth _____
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  • at an angle
  • straight on
  • from the side
  • near the poles
Sunlight that strikes the Earth at a 90 degree angle is called _____
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  • direct sunlight
  • indirect sunlight
  • current sunlight
  • cornered sunlight
Sunlight that strikes the Earth at at an angle is called _____
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  • direct sunlight
  • indirect sunlight
  • angled sunlight
  • cycled sunlight
At Earth's poles light is spread out over a larger area and is _____
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  • less intense
  • more intense
  • hotter
  • colder
The area around the equator is a _____
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  • low-pressure zone
  • high-pressure zone
  • low-density zone
  • high-density zone
Giant currents of circulating air in the atmosphere are called _____
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  • circuits
  • cells
  • cavities
  • jets streams
In each atmospheric cell, _____
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  • cold air sinks and warm air rises
  • cold air rises and warm air sink
  • sinking air cools and rising air warms
  • sinking air warms and rising air cools
At the boundaries of atmospheric cells, we get _____
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  • airplane streams
  • airplane currents
  • jet streams
  • jet currents
Usually, how high are jet streams off the ground?
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  • between 6 to 14 meters 
  • between 60 to 400 meters 
  • between 6 to 14 kilometers 
  • between 60 to 400 kilometers 
Jet streams can reach speeds of _____
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  • 42 meters per hour
  • 442 meters per hour
  • 42 kilometers per hour
  • 442 kilometers per hour
Massive movements of water, that help regulate global temperatures, are called _____
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  • water chestnuts
  • sea circuits
  • ocean currents
  • ocean circuits
Ocean and air currents are a little complicated, and are both caused by _____
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  • even heating of the Earth's surface
  • uneven heating of the Earth's surface
  • even cooling of the Earth's surface
  • uneven cooling of the Earth's surface
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