Which is a type of carbon source? Select one:

a.
Photosynthesis

b.
Burning coal

c.
Formation of fossils

d.
Water evaporation

the carbon source is photosynthesis plss mark me brainliest

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's