They use it to react carbon dioxide<span> with water to make a </span>sugar<span> called </span>glucose. Theglucose<span> is used in respiration, or </span>converted<span> into </span>starch<span> and stored. </span>Oxygen<span> is produced as a by-product. This process is called photosynthesis.</span>
primary division of the sea, which includes the whole mass of water subdivided into neritic and oceanic zones; also pertaining to the open sea (open water)
