To help the nervous system and brain develop.
Answer:
Glucose
Explanation:
ATP, Carbon Dioxide, and Water are all results of Cellular Respiration and do <em>not</em><em> </em>form during Photosynthesis. These three are actually used in the process of Photosynthesis, so they are not created by it. Plants use photosynthesis to create their own glucose.
D is the answer to the problem
The biologist is the person who would be interested in determining the existence of any pattern or characteristics with in a species and relate it to the characteristics possessed earlier by the species.
A. Oxygen
You add oxygen to glucose to complete the steps