Amino acid differs at the glutamine, which is converted to valine in hemoglobin S. the body produced hemoglobin S due to a point mutation in the DNA sequence which results in different amino acid to be formed during translation of DNA sequence codons.
Answer:
The concentration of a substance is the quantity of solute present in a given quantity of solution.
Such unequal distribution of resources was commonly related to land for agriculture, necessary for population growth.