The author uses paragraph 1 to teach the history of the Etowah Indian Mounds. B) explain why people built large, earthen mounds. C) show why early American history is interesting D) tell readers about an interesting historical site. A)

The author uses paragraph 1 to tell readers about an interesting historical site.

Explanation:

"Looking at the Etowah Indian Mounds Historic Site in Georgia is like taking a trip into history. Huge, green mounds sprout up from the grassy earth. The impressive mounds give visitors a feeling of mystery. "

Paragraph 1 gives an introduction about the Etowah Indian Mounds Historic Site, and at the same time it makes an implicit invitation to people to visit it by making an appealing description about all the wonders they will be able to see in there, the selection vocabulary does not give any further information about the place.

D

Explanation:

The author uses paragraph 1 to tell readers about an interesting historical site. The first paragraph describes the interesting scenery at the historical site.