Answer:
B
Explanation:
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Understanding Geologic Time<span>
Introduction</span>
Geologists at the American Museum of Natural History study rock layers and the plant and animal fossils found in them. They use radiometric dating to help establish the age of rocks. In doing so, they also establish the age of the fossils found in rocks. From the evidence they gather, geologists can piece together the physical history of the Earth.
I believe the answer is d
Answer:
High heat and pressure cause the rocks to become metamorphic. presses and presses down onto the rock, making it stay and compress down
