a:  natural gas ~
b:  methane
What:  
Or rather,methane is the chemical name of natural gas. It's a simple molecule--> CH4, it has 1 carbon and 4 hydrogens.
Useful?
Writer:  Lucrezia
LCC: 
Where: Reference Link Has Evaporated
Date:   Feb 27 2015  10:46 AM
# 7411 Critique Analogy
