If the concentration of CO_2 in the atmospher | vedclass

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(D) Carbon dioxide $(CO_2)$ is a major limiting factor for photosynthesis. Under normal atmospheric conditions,the concentration of $CO_2$ is approxim

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Plants will show enhanced growth

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(D) Carbon dioxide $(CO_2)$ is a major limiting factor for photosynthesis. Under normal atmospheric conditions,the concentration of $CO_2$ is approximately $360-400 \ ppm$. Most $C_3$ plants show increased rates of photosynthesis and biomass production at higher $CO_2$ concentrations (up to $500-600 \ ppm$),a phenomenon known as $CO_2$ fertilization effect. Therefore,a concentration of $400 \ ppm$ is well within the range that promotes healthy growth and photosynthesis in plants.

If the concentration of $CO_2$ in the atmosphere is as high as $400 \ ppm$,then......

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