Consider the following statements about the c | vedclass

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(B) Statement $(a)$ is incorrect because the atmosphere contains only about $1\;\%$ of the total global carbon.Statement $(b)$ is correct; decomposers

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Three

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(B) Statement $(a)$ is incorrect because the atmosphere contains only about $1\;\%$ of the total global carbon.Statement $(b)$ is correct; decomposers play a vital role in releasing $CO_2$ back into the atmosphere by decomposing organic matter.Statement $(c)$ is correct; approximately $4 	imes 10^{13}\; kg$ of carbon is fixed annually through photosynthesis.Statement $(d)$ is incorrect; respiration by producers and consumers is a major source of $CO_2$ input into the atmosphere.Statement $(e)$ is correct; carbon constitutes $49\;\%$ of the dry weight of organisms.Therefore,statements $(b), (c),$ and $(e)$ are correct. Thus,the total number of correct statements is $3$.

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