What are the full forms of the following abbreviations?
$(i)$ $CNG$
$(ii)$ $DDT$
$(i)$ $CNG$
$(ii)$ $DDT$
(N/A) $(i)$ $CNG$ stands for Compressed Natural Gas. It is a cleaner fuel compared to petrol and diesel.
$(ii)$ $DDT$ stands for Dichlorodiphenyltrichloroethane. It is a synthetic chemical compound that was historically used as an insecticide.
$(ii)$ $DDT$ stands for Dichlorodiphenyltrichloroethane. It is a synthetic chemical compound that was historically used as an insecticide.
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