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Chemistry, 22.06.2019 04:30, logan12345677885675
What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers
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Look around and write down two or three examples of matter and energy that you observe....
Mathematics, 02.12.2020 02:20
Mathematics, 02.12.2020 02:20
Mathematics, 02.12.2020 02:20