Many of polymers are organic compounds that are chemically based on（）,（）, and other nonmetallic elements-未来题库

Many of polymers are organic compounds that are chemically based on（）,（）, and other nonmetallic elements

未来题库→百科

Many of polymers are organic compounds that are chemically based on（）,（）, and other nonmetallic elements

A.oxygen

B.hydrogen

C.carbon

D.nitrogen

正确答案：hydrogen；carbon

Tags:nonmetallic chemically are

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