dirty water

one way the water becomes contaminated is that the people poop in a hole and it Leeds to the the the lack and turns it brown. the dangers of water being contaminated is when you drink it 2:oo later you poop like crazy and u die the invention that can save people is the life straw
it cost 5$ that is nothing over hear but in 3rd world countries the way the straw works is that you suck the water and the straw has two filters
that clean the water
ever body cant have this invention because it is to much money fore them



see u later jorge