> And how did styrene get into petroleum? I don't know where I read it, but I think it's one of the cornerstones of life.
Amber is an example of a natural plastic. Ancient writers speculated that it is produced by the rays of the sun; and that these rays, at the moment of the sun's setting, striking with the greatest force upon the surface of the soil, leave upon it an unctuous sweat, which is carried off by the tides of the Ocean, and thrown up upon the shores of Germany.
PLB
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