THE SULFUR CYCLE

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FOSSIL FUELS

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Fossil fuels that underwent combustion produces sulfur that will be present in the atmosphere.

ROCKS AND MINERALS

Weathering of rocks and minerals also produces sulfur which may also be present in the atmosphere and plants.

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PLANTS

Plants receive nutrients containing sulfur and produce protein that has sulfur.

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HERBIVORS

Sulfur that has protein will be consumed by herbivorous animals.

*The decays of these animals will release sulfur in the form of Hydrogen Sulphide which will be present in the atmosphere.