6. a heavy flood washed away over five meters of soil and rock. the layer of rock that was exposed by the…

6. 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. which statement is the best explanation for the presence of these marine fossils in an inland area of the united states? a) the fossils were carried to the area by floodwaters. b) the area used to be covered by an ocean. c) the crinoids and corals grew on terrestrial surfaces. d) the brachiopods could live in water and on land.

6. 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. which statement is the best explanation for the presence of these marine fossils in an inland area of the united states? a) the fossils were carried to the area by floodwaters. b) the area used to be covered by an ocean. c) the crinoids and corals grew on terrestrial surfaces. d) the brachiopods could live in water and on land.

Answer

Answer:

b) The area used to be covered by an ocean.

Brief Explanation:

Marine fossils in inland suggest past ocean - cover. Brachiopods, crinoids, and corals are marine organisms, so the area likely was an ocean long ago.