c) The composition of polluted or dirty air may be different from the pie chart shown. Write down the names of two poisonous gases that can pollute or dirty the air.
plz write answers of a, b, c questions...
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Answer:
a) nitrogen
b) oxygen
Explanation:
the part c is not visible
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2
a) nitrogen
b,) oxygen
can't see the c) one
hope it helps
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