Answer:
In the 1950s, Vernon Ingram demonstrated that the only structural difference between normal adult hemoglobin and sickle-cell hemoglobin is the replacement of glutamic acid with valine in the β-globin amino acid chain (Ingram, 1957; 1959).
<em>its</em><em> </em><em>may</em><em> </em><em>help</em><em> </em><em>you</em><em> </em><em>☺</em>
Answer:a
Explanation:
high porosity
you need high porosity and high permeability for have an aquifer, which would made the water flow.
The fawnsfoot is found in the Mississippi drainage and the St. Lawrence