Thursday, December 6, 2007

Water contamination

Remember, water is vital for us only if its clean.
http://www.3dchem.com/imagesofmolecules/water.jpg



Water can get contaminated very easily. Can you find the sources of contamination here?

The image “http://www.woodstockconservation.org/images/a_gw_contam.jpg” cannot be displayed, because it contains errors.
If water is not clean, water can become a poison.
http://safety.more4kids.info/uploads/Image/poison.jpg

Contaminated water kills:

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