Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. The steps are in random order.1 - The rabbit decomposes.2 - The rabbit eats the carrot plant. 3 - The carrot plant takes in carbon dioxide from the air during photosynthesis.4 - Carbon compounds are returned to the soil.

First, the carrot plant takes in carbon dioxide from the air during photosynthesis (step 3), storing carbon in its tissues. Next, the rabbit eats the carrot plant (step 2), and later the rabbit decomposes (step 1). Decomposition returns carbon compounds to the soil (step 4), so the correct order is 3, 2, 1, 4: choice B.

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