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saadhussain514

The gas we exhale is CO2 (we breathe in oxygen) while plants breathe in CO2 and give off oxygen, as a result of photosynthesis (which utilizes CO2, sunlight, and water to produce the oxygen). Plants produce the food glucose. Cell respiration results in CO2 molecules and ATP or adenosine triphosphate.

Nutrients move through the ecosystem in biogeochemical cycles. This creates a gateway through which a chemical element moves through the biotic and the abiotic factors of an ecosystem. This includes living organisms, rocks, air, water, and chemicals.

gradman555p98x9p

The right answer are mentionned in the image.

The picture represents the cellular respiration.

C6H12O6 + 6O2 -> 6CO2 + 6H2O + ENERGY

Cellular respiration is a chemical oxidation-reduction reaction that provides the energy needed for a cell to function.

Cell respiration requires:

a fuel: it is glucose, fatty acids or other organic molecules (amino acids, ketones);

an oxidizer, oxygen.

This reaction produces:

carbon dioxide;

some water ;

sometimes urea, if the fuel contains nitrogen (eg amino acids).

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