Which element cycles through both photosynthesis and respiration? a magnesium b nitrogen c oxygen or d sodium

Pretty sure the answer is oxygen, as it is produced in photosynthesis and consumed in respiration.

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.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.