One difference between the chromosomes of prokaryotes and those of
eukaryotes is that:
O
A. only eukaryotes have circular DNA.
B. only prokaryotes have linear DNA.
O
c. only prokaryotes have pairs of chromosomes.
O
D. only eukaryotes have pairs of chromosomes.

i believe your answer would be c.. : )

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.