Question

multiple-choice question
what is strata made of?
bones
minerals
sediments

Explanation:

Strata (layers of rock) are formed from sediments that accumulate over time, compact, and cement. Bones are organic and not the primary component of strata. Minerals can be in rocks but strata formation is centered on sediment deposition. So sediments are the key component here.

Answer:

C. Sediments