Producers, such as those that make the foods that are shown below, make atp during the process of photosynthesis.

where in the cell was the atp produced?
a) in mitochondria
b) in chloroplasts
c) in cytoplasm
d) in water

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.