Answer:
The main idea is the point of the paragraph. It is the most important thought about the topic. The main idea is usually a sentence, and it is usually the first sentence. The writer then uses the rest of the paragraph to support the main idea.
Explanatio hey
Car manufacturers use radiation for which task?
The rock that is formed by high heat in pressure is C. Metamorphic rock
Rocks that are weathered and eroded is A. Igneous rock
I think it’s a. the use of bolding, font size, and headlines
