Hemoglobin SS and sickle beta zero thalassemia are the most severe forms of sickle-cell disease and are sometimes referred to as sickle cell anemia. Hemoglobin SC disease is considered moderate and in general, sickle beta plus thalassemia is the mildest form of sickle-cell disease.
:333
Answer:
a
Explanation:
i guessed pic didn't load
Continental polar air mass this is the type of mass that come from northern Canada
The upper layer of the Earth
A. True
Aldosterone stimulates the Na+/K+ pump in renal tubules to exchange Na+ (sodium) for K+ (potassium). This, using ATP energy for active transport, leads to reabsorption of sodium into the bloodstream and secretion of potassium into the urine.