Isotopically light carbon that __________ preferentially extract from the atmosphere is returned to the atmosphere through the respiration of __________.

Question

Quizplus · Accepted Answer

Isotopically light carbon is preferentially extracted by plants through photosynthesis, and this carbon is returned to the atmosphere through the respiration of both animals and decomposers, but not plants themselves. Therefore, option B, which states that isotopically light carbon is returned to the atmosphere through the respiration of decomposers and animals, is the best answer.

Isotopically Light Carbon That __________ Preferentially Extract from the Atmosphere