Answer :

Answer:

Sunlight

Explanation:

Oxygen is used by plants;

Water is used by everyone

The sun is far away from the earth and the sun's rays help guide the process, but is not an independent thing close.

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Answer:

sunlight

Explanation:

sunlight is a form of energy and it does not cycle through an environment. energy is used up for heat or other things in the process and doesn't cycle throughout an ecosystem

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