Question

biozones are used to determine the relative age of rock layers across vast distances. this helps scientists infer environmental conditions during that time period * 1 point true false

Explanation:

Biozones are intervals of rock defined by fossil assemblages, used for correlating rock layers across distances to determine relative age. Since fossils reflect the environments they lived in, biozones also help infer past environmental conditions. Thus the statement is correct.

Answer:

True