Why is it so important to avoid pollution of freshwater ecosystems? a. freshwater ecosystems contain more species than marine ecosystems contain. b. freshwater ecosystems are the source of most of our drinking water. c. there are more freshwater ecosystems than there are marine ecosystems. d. freshwater organisms are more important than marine organisms are.

The answer is B because it literally says it right there, and I don't wanna make it impossibly confusing for a middle school student, lol.

answer: (431,2)

step-by-step explanation:

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!