Answer:
probably
Explanation:
Because fossil fuel is the main fuel source, so any fuels that are not fossil fuels are alternative.
A molecule<span> is an </span>electrically<span> neutral group of two or more </span>atoms<span> held together by </span>chemical bonds<span>. So I would say is all of them, as they all contain two atoms each even in the diatomics </span>
You would find the atomic weight of phosphorus and multiply that 2.3 and get 71.23.