5 ........................
Answer:
methane
Explanation:
because this fuel is generated by the breakdown of organic matter by anaerobic bacteria and is used in energy production . It is a renewable energy source produced biologically through anaerobic digestion. It occurs naturally in compost heaps, as swamp gas, and as a result of enteric fermentation in cattle and other ruminants. It is burned to generate heat or used in combustion engines to produce electricity.
DNA is referred to as a double helix, meaning that is has two strands that are held together.
Yes the 2 explain would be because they have better and strong musical