Alfred Wegener found this out through the Continental Drift Theory.
The lower mantle is composed of magnesium, iron-bearing silicates, olvine, and pyroxene.
Answer:
False
Explanation:
Potatoes are used for things like fries patatoes are used for things like your bag of lays chips.
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Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls