Question

What is the main component of biogas and natural gas?
A) Carbon dioxide
B) Butane
C) Hydrogen Sulphide
D) Methane

Answer 1

carbon dioxide I hope that is correct ✌

Answer 2

(c) $\huge\bf\pink{Methane}$

$\large\bf\red{Explanation✓}$

Methane gas is the main product of biogas. Around 70% of the gas produced is methane and remaining will be ammonia, carbon-di-oxide.