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2. What energy resources that cannot be replaced once they are used up?
A. nonrenewable
C both A and B
B. renewable
D. none of the above​


Sagot :

A.nonrenewable

Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs.