Answer:
The Columbian Exchange refers to the exchange of diseases, ideas, food e Columbian Exchange refers to the exchange of diseases, ideas, food
crops, and populations between the New World and the Old World rops, and populations between the New World and the Old World
following the voyage to the Americas by Christo ollowing the voyage to the Americas by Christopher Columbus in 1492. pher Columbus in 1492.
The Old World—by which we mean not just Europe, but the entire Eastern he Old World—by which we mean not just Europe, but the entire Eastern
Hemisphere—gained from the Columbian Exchange in a number of ways. Discov- emisphere—gained from the Columbian Exchange in a number of ways. Discoveries of new supplies of metals are perhaps the best known. But the Old World also ries of new supplies of metals are perhaps the best known. But the Old World also
gained new staple crops, such as potatoes, sweet potatoes, maize, and cassava.
Explanation:
<span>Plants breathe in carbon dioxide and breathe out oxygen. Animals breathe in oxygen and breathe out carbon dioxide. So they support each other.
</span><span>Plants are at the start of every food chain.
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<span>The science wiz</span>
Without vegetation there will be life because we thrive off of them and most of our animals that need vegetation so they can get bigger and produce more livestock.
Answer:
B. Geographers study physical geography and human geography.
<span>The advantage of a North-South oriented orbit is that the satellite:
B) </span><span>can fly over the entire earth
</span><span>The advantage of a synchronous orbit is that the satellite can:
D) </span><span>all of the above
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<span>Remote sensing satellites are restricted for exclusive use by the U.S. government.
</span><span>
FALSE
</span><span>A satellite in orbit is continuously falling toward the earth's surface.
</span><span>TRUE
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