Identify the products of cellular respiration and photosynthisis

Photosynthesis converts carbon dioxide and water into oxygen and glucose.  Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Explanation:

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.