why is this statement false? "the amount of carbon on our entire planet can increase or decrease depending on the fluctuations of the carbon cycle."

False

Explanation:

Carbon cycle is the process by which the carbon in the atmosphere of earth is exchanged and released in the biosphere and atmosphere of the earth.

The statement listed above is false because amount of carbon is increased or decreased by the burning of fuels not by the fluctuation of the carbon cycle.

This cycle is only the path way or the procedure sketch of how carbon is transformed and exchanged in the atmosphere it is not a cause in any way to reduce or increase the carbon content.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

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