Which of these structures is least in danger of chemical weathering? a bridge made of iron rods

a pile of tiles made of feldspar

a bench made of composite plastic

a statue made of marble

a bench made of composite plastic

Explanation:

The chemical weathering can be defined as the process in which a chemical causes the degradation and decomposition of the rocks into small particles. The iron rods, feldspar, and marble will weather considerably with a greater danger as the have a strong solid body. But plastic when exposed to a chemical agent usually melts and thus there is least or no danger of chemical weathering of plastic.

it is b that is the answer.