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Nitrogen
The starting materials are reactants and ending is products.
The starting materials of cellular respiration are oxygen, sugars (glucose), and energy.
The starting materials of Photosynthesis are Carbon Dioxide, Water (H2O), and Light Energy (sunlight)
The starting materials of cellular respiration are sugars-such as glucose-and oxygen.
It is exothermic because the reactions taking place are producing new substances which hold less energy than the starting materials. The energy difference is emitted to the environment.
Carbon Dioxide and water (the starting materials) turn into sugar and oxygen in the chloroplast.
bauxite
Reactants
glucose and oxygen
the gagostiles
Reactants