As other chemical engineers do, energy and fuels engineers play an important role in society. They work to safeguard the environment and at the same time provide society with energy technology choices to meet ever-growing needs in areas such as fuel processing and use, and technology development.
Answer:
more then twenty thousand people joined the final successful Selma to Montgomery march to show they support the civil rights movement
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=32 is the answert
Answer: China, Rome, India, Persia, Egypt
Explanation: All of these countries were frequent users of the silk road to partake in trade of goods and horses, as well as conquering purposes in the case of China especially.