Which of these potential sources of water pollution is excluded from the
Clean Water Act?
O
A. Drainage pipes
O
B. Oil tankers
O
C. Agricultural runoff
O
D. Lakes, rivers, and streams

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases