What substance is oxidized during cellular respiration?

a.)glucose
b.)water
c.)carbon dioxide
d.)water

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully