Which process is a part of an descriptive investigation on igneeous rocks

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.

if you know your abc's you should be able to get your answer or just use google

answer///island,peninsula;

which condition is a cause of impotency in men?

b. the inability of the penis to become erect