water polo is a team water game google underwater In senior water polo and most junior games, water polo teams consist of 13 players. Each team is allowed to have seven in the water at one time – six outfield players and one goalkeeper. Except for the goalkeeper, players move continuously around the pool during a game
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contaminated water from a nearby water pollution, the release of substances into subsurface groundwater or into lakes, streams, rivers, estuaries, and oceans to the point that the substances interfere with beneficial use of the water or with the natural functioning of ecosystems
