Answer:
Reactants are formed inside the plant, and products are taken in from the environment by the plant. Reactants are taken in from the environment by the plant, and products are formed inside the plant.
Explanation:
The burning of Fossil fuels.Under natural conditions the release of carbon from fossil fuels occurs slowly, as they are subducted in the mantle and CO2 is released through volcanic activity.
The answer is C
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Answer:
Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.
Explanation: