true false: plastic are obtained by refining coal.
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Answered by
1
Answer:
r
Explanation:
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Answered by
1
Answer:
i think true
Explanation:
Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. ... Crude oil is a complex mixture of thousands of compounds and needs to be processed before it can be used.
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