Answer:
The answer is A i guess i think
I know the first one:
The person might have trouble seeing shades of red, blue, and/or green. Color-sensitive pigments in the cones of the eye are absent. These inabilities to see certain colors ends up leading to the person seeing the colors in question as a mixture of the same shade.
Of or pertaining to biogeochemistry
Might not be a great answer but:
Due to the 3/5 clause, each slave was counted as 3/5 of a person represented in congress. The south's political power relied largely on this fact.