History, 31.08.2021 19:20 F00Dislife

65 POINTS PLZ HELP Volcanoes produce ash that can build up over large areas in a short amount of time. Scientists are able to use special instruments to determine the ages of these ash layers. The diagram below shows rock layers from the side of a canyon.

Scientists determine that the rocks in the ash layer are 200 million years old. Several types of fossil organisms can be found below the ash layer but not above it.

What is the most reasonable conclusion from this information?

A.

Several types of organisms caused a volcano to erupt 200 million years ago.

B.

A volcanic eruption 200 million years ago caused the extinction of several species.

C.

The presence of volcanic ash caused several new species to develop 200 million years ago.

D.

Organisms of several species were moved to this area by a volcano 200 million years ago.

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65 POINTS PLZ HELP Volcanoes produce ash that can build up over large areas in a short amount of t...