Variables can be useful because they hold a certain number/data value that can easily be accessed and changed. For example, in a game, a players score is a variable that changes as the player gets more points; ie coins, items, etc.
It is the finance / administration function that records time accounting and procures the needed items
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Did you know that both plants and animals undergo cellular respiration? The reason behind that is because both organims needs to get energy and to expel wastes.
Therefore, the correct answer for your question is: <span>C.Cellular respiration occurs in both plant and animal cells.
I hope that helped you! :></span>