Question

a geologist is hiking in a mountain and examines a wall of rock. the geologist notices fossils and impressions of ferns.
which conclusion can the geologist draw about the history of the mountain based on this evidence?

the mountain soil is rich in nutrients.

the mountain is an ancient, dormant volcano.

the area was once warm, wet, and swampy

the land used to be at the bottom of an ocean.

Explanation:

Ferns typically grow in warm, wet, swampy environments. Fossils and fern impressions suggest the area had such conditions historically. The other options: soil nutrients aren’t directly indicated by fossils, volcanoes don’t relate to fern fossils, and ocean - bottom environments don't match fern habitats.

Answer:

The area was once warm, wet, and swampy