Answer: Option B. core samples
Explanation: this is the only option that is not used for locating minerals
Answer: Paleozoic
Explanation: The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another plants became widespread. And the first vertebrate animals colonized land.
Answer:
c. Mammal Reproduction
Explanation:
They're all types of mammals
A. Decreasing amount of energy needed to start a reaction.