Water conservation is not limited to conserving the amount of water available, but also considers the quality of the water available. The United States has come a long way in this area when compared to other countries. Which of the statements below is a water quality conservation method used in the United States?

A) sewage treatment plants
B) allowing runoff of irrigation water
C) throwing out old motor oil instead of recycling it
D) painting boats in or over the water instead of in dry docks

straight fertilizers

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?