The main idea of this paragraph is that the rocks cannot be explained by science, that there is a mystery to them. This sentence contributes to that idea because it gives a specific example of one of the odd things about the rocks. Because they are on a flat surface they should not roll or move on their own, but the fact that they have a trail behind them shows that they have somehow moved. This supporting statement is then supported by more details about the trails.
D.. again. It makes it feel like someone is telling a story
The Answer is A Bcs it would be the best example to talk on a speech unles you have other taste of writing
Answer:
Hi imma just take my points back thanks
Explanation: