This is any single identifiable source of pollution from which pollutants are discharged.

Add me on s.n.a.p.c.h.a.t im bores hmu

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)