Which may result from poor air quality

a: diabetes
b: asthma
c: heart disease
d: sickle cell anemia

asthma

Explanation:

I tried and on test I just took and got it correct.

satellites are frequently used to make observations of the orbit on earth

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.