Never before in human history had so many of the world's plants, animals, and microorganisms been so thoroughly and so abruptly mixed and dispersed. We call this phenomenon the Columbian Exchange. Determined to farm the American land in a European manner, the colonists introduced their livestock: pigs, horses, mules, sheep, and cattle.
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Answer:
an organization which consists of a number of parties or groups united in an alliance or league.
Explanation:
The magma that is high in silica usually forms light colored such as granite and the lava that is in low silica usually forms in a dark colored rocks such as basalt. I hope this helped you.
