Hydrogen is composed of H atom and oxygen is composed of O atom. For water, it is composed by both H and O atom. If you burn hydrogen in oxygen, you can get water. And if you electrolysis water, you can get hydrogen and oxygen.
The answer to your question would be SB .
They hold molecular bonds together in solds and liquids.
The answer I believe would be A
Answer:
Your answer would be D, they are all non-renewable energy sources. Hope this helps!