Question

why does an author use supporting details? to explain, oppose, and support their central idea to describe, defend, and contradict their central idea to prove, support, and eliminate their central idea to explain, prove, and support their central idea

Explanation:

Supporting details serve to clarify (explain), validate (prove), and reinforce (support) an author’s central idea. The other options include contradictory actions (oppose, contradict, eliminate) that do not align with the purpose of supporting details.

Answer:

To explain, prove, and support their central idea