According to the article, why did scientists create
petrochemicals?
A. Because they were wor...
According to the article, why did scientists create
petrochemicals?
A. Because they were worried about the environment
B. Because rubber from plants harmed the environment
C. Because the U. S. didn't have enough rubber
D. Because World War II had just started
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Answers: 2
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Afossil of a sable antelope with his i was observed in the topmost layer of soil a fossil of a zebra was found in low at the bottom layer contains fossils of a blue in this discovery tells us that what
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