Put on your thinking cap:
Answer the following questions.
a) Name the gases present in air.
b) How does atmosphere help us?
c)How is air pressure used in our daily lives?
d)How are soluble impurities removed from water?
e) How is water made safe for drinking before being supplied to our houses?
HOTS
how would life on earth be different if all the air got very polluted?
Answers
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Answer:
a - nitrogen , oxygen , carbon dioxide and other gasses
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