Convection currents, air flows towards the equators
<span>Is the study of humankind in all times and places.
-the study of all humans throughout time and space. Hope it helped!</span>
The correct answer is the final option - sickle cell disease and malaria are both potentially lethal diseases.
The other options are incorrect because sickle cell disease is an inherited disease, but malaria is not - it is an infectious disease. However, both of these disease are quite dangerous, and may have severe consequences (such as death) if they are not properly treated.
