What is cell division? like what does it mean? and also if you know, what does it do? like what's the purpose of it.

Cell division is when one cell splits in half to create two cells. This process is how cells reproduce.

Cells cannot just be created out of nothing. Most cells in living organisms multiply by Mitosis. This process starts with 1 cell and splits into 2 new cells. Firstly, a single cell increases in size. it then replicates and copies everything that is inside it, like DNA. the cell then splits in 2, creating 2 identical new cells. 

The duration of a photographic flash is related to an rc time constantly

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