Question

write the answer here - hint it is one of the two things that are produced by photosynthesis.

Explanation:

Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose (a type of sugar) and oxygen. The two main products of photosynthesis are glucose and oxygen. So one of them (either glucose or oxygen) can be the answer. A common expected answer here is "Oxygen" (or "Glucose").

Answer:

Oxygen (or Glucose)