Interpret and explain this graph on photosynthesis

This graph is showing how different rates of light intensity, environmental temperature, and Carbon dioxide affect the rate of photosynthesis. It looks like the greatest rate of photosynthesis has .13% Co2 at 30 degress celsius.

Explanation:

I was always taught that they y-axis is the dependent variable and going off that, all the other variables can be controlled and changed.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.