When we look at a leaf, we see the colors of light that are reflected off its surface. How does this explain there relatively low flow of oxygen in green light?

Answer 1

Since it reflects green, you know the green leaf absorbs in the red and blue regions. Here is a site to read more about it. (The leaf does not absorb in the green.)
http://faculty.baruch.cuny.edu/jwahlert/bio1003/photosynthesis.html

Answer 2

i dont know that this is right