Hydrocarbons. (organic compounds entirely made up of hydrogen and oxygen)
Answer:
An increase in the combustion of fossil fuels
Explanation:
The best way to solve a transportation problem, is to give the following information:
m= The number of sources.
n= The number of destinations.
The total quantity available at each source.
The total quantity required at each destination.
The cost of transportation of one unit of the commodity from each source to each destination.
I think it would be crust
