Question

All synthetic materials ultimately come from

Answer 1

Your answer would be factories/ Synthetic materials, like polyester, nylon and acrylic, don't exist naturally but are made in factories.

Answer 2

Factories-i.e. created from humans

Step-by-step explanation:

Synthetic materials, like polyester, nylon and acrylic, don't exist naturally but are made in factories. Synthetics are created through an industrial manufacturing process in which petroleum, a fossil fuel, is extracted from the earth and mechanically transformed into fibers for clothing.