Question

Why is radiant energy considered a reactant of photosynthesis

Answer 1

Answer: radiant energy is considered a reactant of photosynthesis for by of the use of light energy and with of what it makes

Explanation: with the use of light energy that as you know is used in photosynthesis as with this as can be consider radiant energy as their for a reactant as it their is light energy created.

Answer 2

If by "radiant" energy you mean sunlight - it is because sunlight is needed to activate Chlorphyll which provides the electrons for the process of photosynthesis to proceed.

Step-by-step explanation:

Simply put, the light from the sun is the "activation" energy for photosynthesis to create O2 and Sugar from Water and CO2.