Tak：
The diagram below how the amount of energy lot in 100 unit when it i generated from black coal and when it i generated from brown coal.Sample anwer：
The diagram preent how 100 unit of energy lot when it i produced from black coal and brown coal.
It can be een from the firt diagram that in the beginning black coal that can generate 100 unit of energy i tranported to the power tation where electricity i produced. During the proce, 68 unit i lot o only 32 unit of energy remain. Before conumer get the energy from black coal, the lo of another 3 unit occur a it i ditributed and tranmitted.
Referring to brown coal, when it i ued in the electricity generation, more unit wa lot (73 unit) while the amount of energy loe in the tage of ditribution and tranmiion i the ame a that in black coal. Finally, the remaining 24 unit of energy i gained by people.
In concluion, it i noticeable that le energy can be available for conumer if brown coal i applied to generate electricity.
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