Since 1950,the energy efficiency of the U.S.economy in terms of producing goods and services has:

A) not changed.
B) more than doubled.
C) risen about 50 percent.
D) risen more than threefold.

Question

Since 1950,the energy efficiency of the U.S.economy in terms of producing goods and services has:A)  not changed.B)  more than doubled.C)  risen about 50 percent.D)  risen more than threefold.

Zainab Jasim · Accepted Answer

Final Answer : B, Explanation :  Since 1950, the energy efficiency of the U.S. economy has more than doubled, reflecting improvements in energy use practices, technology, and changes in the composition of the economy.

Since 1950,the energy efficiency of the U.S.economy in terms of producing goods and services has:

A) not changed.
B) more than doubled.
C) risen about 50 percent.
D) risen more than threefold.

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