Question

How does a writer effectively express an idea about a topic?

The writer states opinions that are not supported with facts.
The writer states several thesis statements in the essay.
The writer states one thesis statement in the introduction.
The writer adds several new facts in the conclusion.

Answer 1

it is #3 The writer states one thesis statement in the introduction.

Answer 2

the writer states one thesis in the introduction so as to clearly express their idea and not confuse the reader