Question

The oldest man-made material is​

Answer 1

Explanation:

Bakelite, or polyoxybenzylmethylenglycolanhydride, is an early innovative plastic. It is a thermosetting phenol formaldehyde resin, formed from an elimination reaction of phenol with formaldehyde. It was developed by Belgian-born chemist Leo Baekeland in New York in 1907.

Answer 2

ANSWER

Bricks are the only non-natural building material that can look back at several thousand years of history.

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