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In the following questions, the sentences have been given in Active / Passive Voice. From the given alternatives, choose the one which best expresses the given sentence in Passive / Active Voice.

What is the correct answer?


James Watt discovered the energy of steam.

A. The energy of steam discovered James Watt.

B. The energy of steam was discovered by James Watt.

C. James Watt was discovered by the energy of steam.

D. James Watt had discovered energy by the steam.