Migration is when the birds go from south to north, north to east, east to north, and south to east.
The reasons for migration is that when it is cold the births fly north to south to find somewhere warmer (Like Florida). Birds can't fly in the cold so they fly to the warmer area.
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Blocks most of the suns radiation from reaching the biosphere
Explanation:
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Erosion is the dislodge of sediments that initiate a movement while mass movement is referring to the materials moving in a downward direction under the influence of gravity.
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650 milliliters =0.65 liters
Pretty sure your answer is All of the above!