Answer: A mutagen is a chemical compound or form of radiation that causes mutations, which of course means a change in the dna of a cell. So, your answer would be C) an environmental agent that changes DNA.
No it wouldn't because it would not absolutely disappear
Answer:
Explanation:
The tundra and the taiga. Taiga is found in North American and Eurasia regions. Tundra is found in native Arctic and and Antarctic circle.
The answer is d.) mantle rock
Answer:
The correct answer is D: They provide the water needed.
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