Describe the phase of photosynthesis that is light dependant​

Without light photosynthesis will not occur therefore photosynthesis is dependent on light to occur

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.