This list of rivers of the Americas includes all the major rivers of the Americas. See each article for their tributaries, drainage areas, etc. Unusually significant tributaries appear in this list, under the river into which they drain.
... the light that is not absorbed by the pigment molecules.
The typical overall chemical reaction of photosynthesis is:
6H2O + 6CO2 + light → C6H12O6 (glucose) + ...