Which of the following gas is the major component of bio-gas and Compressed Natural Gas (CNG) ? | methane

Health Education Officer 2026
42.

Which of the following gas is the major component of bio-gas and Compressed Natural Gas (CNG) ?

निम्नलिखित में से कौन–सी गैस बायो–गैस तथा संपीडित प्राकृतिक गैस (सी एन जी) में प्रमुख अवयव है ?

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