Which of the following reduces water pollution? A. building more coal mines
B. creating more paved surfaces
C. using more biodegradable products
D. using more fertilizers in farming

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

How many major plates cover the earth

What is the problem in this article? what solution does the article propose?