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10 questions
Air surrounds us everywhere.
True
False
Air does not weight.
True
False
Air is not a mixture of gases.
True
False
Air is important for breathing.
True
False
The air we breathe should not be polluted.
True
False
Oxigen is one of the Air gases.
True
False
We can see the air.
True
False
We can feel the air.
True
False
The flame go out (off) when we cover a lid on candle with a jar.
True
False
Air is necessary for humans to live.
True
False
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