The anwser is c hope this helps
A or c. I thought technically it was selective breeding but i haven't done genetics in a while to know what it's actually called
A the flowering of the four oclock plant at the same time
Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply. At very high light intensities, photosynthesis is slowed and then inhibited, but these light intensities do not occur in nature.
