Question

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 lubrican--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.

Answer 1

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Answer 2

Humans have used
[oil] (or oil) for thousands of years in medicine and weapons of war. However, the use of this material did not truly surge until the [19th century] 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.

Answer 3

I apologize if my response was not what you were expecting. Can you please clarify what specific information you would like me to fill in the blanks with?