As published in EPA's national water quality inventory report,
40 Percent of rivers and 46 % of lake are considered to be plluted. these sources, called the surface water are vulnerable to pollution discharged of pipesand runof pollutants washing off the lands.
These sources are extremely unsafe to drink and to swim in
Answer:
Hey!
I think the most suitable answer for you is POLLUTION!
Explanation:
I hope this is CORRECT and good luck with your work!
Answer:
one plate slides under another, returning older crust to the mantle.
