2. Interpret Graphs As you move up the y-axis, is the rate of photosynthesis increasing or decreasing? As you move along the x-axis to the right, is the light
intensity increasing or decreasing?

It depends on the graph movement.

Explanation:

If the light intensity is present on the x-axis and the rate of photosynthesis is located on the y-axis, then both the rate of photosynthesis  and intensity of light are increasing because the graph moves upward which means the rate of photosynthesis increases with the increasing of light intensity. So if you moves from upward to downward, the rate of photosynthesis decreases with the increasing of light intensity.

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-lavira : )