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Tuesday, February 9, 2010

dirty water

a) Name one way water sources become contaminated (dirty) in 3rd world countries?

Water sources can become dirty by people pooping around the water sources and the poop tavels through the dirt in the ground and mixes into the clean water which contaminates it.

b) What are the dangers of water contamination?

the dangers of water contamination is gettin diraria and worms that grow in your body that ends up killing you!

c) Describe (in your own words) an invention that can save people from drinking contaminated water?

1 invention is water filters that can clean your water and is safer to drink.

d) Why do you think everyone in 3rd world countries do not have these inventions?

i think they dont have this because tthey are really poor

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