It begins before food is eaten, the answer is C.
An increase in sustainable practices
Answer:
During transpiration, water will evaporate from tiny holes in the surfaces of leaves into the air (the tiny holes are called stomata). As the water molecules evaporate from plant leaves, they attract the water molecules still in the plant, helping to pull water up through the stems from the roots.
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The answer would be mitochondria.
Generating heat requires energy, and energy is produced with mitochondria.