During the 20th century, what was a common source of phosphorus contamination in surface waters?

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countries in an effort to build a stronger team. after learning this, the second team begins its own recruitment campaign to find even better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rival's most recent addition. which idea from the cold war is most similar to this scenario?

What was the main result of the battle of horseshoe bend? a treaty was created to give the creek land in florida. the red stick faction defeated jackson’s us forces. the creek lost millions of acres of land in georgia and alabama. a treaty was created to divide land between the creek and white settlers.

Which region of the country had more representatives in congress as of 1860