English

Question

[1] Scientists have found a species of mushroom that grows in Texas and Japan but nowhere else. [2] This discovery has not yet been

explained by scientists, but it is being studied by them.

Which revision corrects the shift in voice in the paragraph?

• 1. A species of mushroom has been found by scientists that grows in Texas and Japan but nowhere else. (Sentence 1)

• 2. It has been found by scientists that there is a species of mushroom that grows in Texas and Japan but nowhere else. (Sentence 1)

• 3. Scientists have not yet explained this discovery, but they are studying it. (Sentence 2)

• 4. Scientists have not yet explained this discovery, but it is being studied by them. (Sentence 2)

Answer

Option 4: Scientists have not yet explained this discovery, but it is being studied by them. (Sentence 2)

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Option 4 correctly maintains the active voice throughout the paragraph. In the original paragraph, the first sentence is in the passive voice, while the second...