Answer:
Erosion is the process of eroding or being eroded by wind, water, or other natural agents.
Explanation:
"the problem of soil erosion"
the gradual destruction or diminution of something.
"the erosion of support for the party"
are examples of how it could be used.
Answer:
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Maybe around 350 years, depending on the carbon cycle and the time taken through steps.
Answer:
B) 0.3Hz
Explanation:
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It means that they were set earlier therefor they are older.