Answer:
I think farm expenditures
The main purpose of hemoglobin is the transport of OXYGEN and CARBON DIOXIDE
If all other resources are in adequate supply, then the light intensity will increase the rate of photosynthesis. To balance it out, other things then usually start becoming short in supply, so things often don't change.
The ribosomes build proteins.
(C) they used trans-Saharan trade route to acquire expensive ivory.
