Responses
the number of carbon atoms
the number of carbon atoms
the number of water molecules
the number of water molecules
the number of carbon dioxide molecules
the number of carbon dioxide molecules
the number of glucose molecules
the number of glucose molecules
1 answer
The number that remains unchanged during photosynthesis is the number of carbon atoms.
During photosynthesis, carbon dioxide molecules are taken in and used to form glucose, but the total number of carbon atoms involved in the process remains constant.
