Question

Groundwater makes up
Select one:
a. 15% of drinking water for rural populations
b. 99% of drinking water for rural populations
c. 15% of drinking water for the entire population
d. 99% of drinking water for the entire population

Answer 1

Groundwater makes up about twenty percent of the world's fresh water supply, which is about 0.61% of the entire world's water, including oceans and permanent ice

Answer 2

so from the abcd?