What are two specific examples of where this division occurs in nature?

There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells.

Explanation:

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not only is it colder, it also becomes darker, less salty, and more dense.

so whats the answer