Question

Plastics are considered to be _______ because they are made of long chains of repeating small molecules. Plastics are made by humans so they are categorized as ___ materials. Even so manufacturers must use ____ materials to produce plastics.
Synthetic
Natural
Monomers
Polymer
Biodegradable

Answer 1

Plastics are considered to be **polymers** because they are made of long chains of repeating small molecules. Plastics are made by humans, so they are categorized as **synthetic** materials. Even so, manufacturers must use **monomers** to produce plastics.