Oxygen is the waste product of:

photosynthesis
respiration
the nitrogen cycle
burning fossil fuels

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Identify the missing parts of the carbon cycle

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=