I think it's lights-dependent reaction
Explanation:
Because the light dependent reaction use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier nadph in Plants, the light reaction take place in the thylakoid membranes of organelles has called chloroplast.
That is when extinction occurs. Hope I helped!
C : You would see a solid piece of wire underneath the coating.
Every 3 turns 1 molecule is made