Asteroids vary greatly in size and are mostly made up of frozen water and gas. This one is true.
They are said to be "mostly formed of ice and gas" as they rarely can be found consisting of stone, nickel and iron. These are extremely dangerous in our Universe.
Answer:
Exocytosis
Explanation:
Exocytosis is the process that allows cells to be able to remove large amounts of material in and out of themselves.
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