Small, isolated groups of Central American Indians are nearly 100% type O for the ABO blood system. This is best explained as being the result of: a
genetic drift
b
artificial selection
c
fitness
d
natural selection

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

can you give me more to work here with plzs and you

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.