Fill in the blanks using the drop down menu. (10 points)

Humans have used
(or oil) for thousands of years in medicine and weapons of war. However, the use of this material did not truly surge until the
—where oil became valuable as both a fuel for illumination and a lubricant—before it became a
for wood, coal, animal power, and other sources of
. Liquid petroleum had some significant
over other energy sources of the times: it was concentrated, and it could be transported easily from one place to another.

Humans have used oil for thousands of years in medicine and weapons of war. However, the use of this material did not truly surge until the Industrial Revolution—where oil became valuable as both a fuel for illumination and a lubricant—before it became a substitute for wood, coal, animal power, and other sources of energy. Liquid petroleum had some significant advantages over other energy sources of the times: it was concentrated, and it could be transported easily from one place to another.