Which of the following is an example of sustainability?
A) cutting down all the trees in a forest without replanting any
B) consuming more cattle than are being born

C) recycling a metal can so it can be reused
D) leaving the lights on in a room you are not in

C

Explanation:

Recycling a metal can so it can be reused.

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an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme