Respuesta :

Slinth38436
plants take in carbon to do synthesis to make glucose and makes oxygen as result in simple terms. 
fluffyunicorn4
plants give off oxygen for animals to breathe and animals exhale CO2 which plants use to make glucose and take out more oxygen. Then animals eat plants to get glucose and when they die or defecate, they leave nitrogenous wastes which are eaten by plants (absorption through roots).\

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