__________ is a usable form of energy.

One molecule of glucose is recycled into ____________ molecules of carbon dioxide during cellular respiration.
Photosynthesis converts _______________ energy to _______________ energy to be used by organisms in the food chain.
The nitrogen cycle requires ______________ to convert nitrogen to nitrites and nitrates.
Energy flows in _____________ direction, and matter _______________ through the environment.

1 answer

no help on essays man