A constituent of the exhaust gases of motor vehicles that...
A constituent of the exhaust gases of motor vehicles that cause serious air pollution is
water vapour
carbondioxide
carbon monoxide
oxygen
ozone
Correct answer is C
No explanation has been provided for this answer.
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Organisms that interbreed to produce fertile offspring belong to the same ...
The structure that produces the energy required by the cell is labelled ...
Variation which exhibits a wide range from one extreme to the other is ...
The process occurs in the _______ ...
The organism designated P in the food chain above is normally sustained by energy from ...