Question

A heavy flood washed away over five meters of soil and rock. The layer of rock that was exposed by the flood contained remains of brachiopods, crinoids, and corals that existed in warm, shallow seas 350 million years
ago. Some of the fossils that were found are shown.
Spirifer
Brachiopods
Spinatrypa
Favosites
Hexagonaria
(Colonial) Tetracorallia
(Solitary)
Crinoid
Corals Which statement is the best explanation for the presence of these
marine fossils in an inland area of the United States?
a
The brachiopods could live in water and on land.
b
The crinoids and corals grew on terrestrial surfaces.
c
The fossils were carried to the area by floodwaters.
d
The area used to be covered by an ocean.

Answers

GPT 3.5
d. The area used to be covered by an ocean.