Question

1. what important gas is released during the \light reaction\ of photosynthesis? type a response

Explanation:

During the light reaction of photosynthesis, water molecules are split (photolysis), and oxygen gas ($O_2$) is released as a by - product. This is a key part of the light - dependent reactions in photosynthesis, where light energy is used to split water and generate ATP, NADPH, and oxygen.

Answer:

Oxygen (or $O_2$)