Answer:
Some of the best specimens of petrified wood have been preserved by silicification. Two forms of silicification are common. The most abundant is wood that has been replaced and infilled by chalcedony (sometimes called "agatized wood").
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Explanation:
The answer is autobiography
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Answer:
During the Paleolithic Age, people obtained food by hunting animals and gathering plants. They did not have a stable, or dependable, food supply. ... Instead of gathering wild plants, people discovered that they could plant seeds and harvest crops
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Answer:
please give brainliest
Explanation:
yes because we didn't want to look like we could be pushed around
