The sentence in passive voice is: "By 1700, only twelve of the more than one hundred elements had been identified by scientists."

Here's why:

1. In the first sentence, "By 1700, scientists had identified only twelve of the more than one hundred elements," the subject of the sentence (scientists) is performing the action (identifying). This is an active voice sentence.

2. In the second sentence, "By 1700, only twelve of the more than one hundred elements had been identified by scientists," the subject of the sentence (twelve of the more than one hundred elements) is not performing the action, but is being acted upon. This is a passive voice sentence. The action (identifying) is being done by someone else (scientists).

Question

The sentence in passive voice is: "By 1700, only twelve of the more than one hundred elements had been identified by scientists."

Here's why:

1. In the first sentence, "By 1700, scientists had identified only twelve of the more than one hundred elements," the subject of the sentence (scientists) is performing the action (identifying). This is an active voice sentence.

2. In the second sentence, "By 1700, only twelve of the more than one hundred elements had been identified by scientists," the subject of the sentence (twelve of the more than one hundred elements) is not performing the action, but is being acted upon. This is a passive voice sentence. The action (identifying) is being done by someone else (scientists).

Knowee AI · Accepted Answer

The sentence in passive voice is: "By 1700, only twelve of the more than one hundred elements had been identified by scientists."

Here's why:

1. In the first sentence, "By 1700, scientists had identified only twelve of the more than one hundred elements," the subject of the sentence (scientists) is performing the action (identifying). This is an active voice sentence.

2. In the second sentence, "By 1700, only twelve of the more than one hundred elements had been identified by scientists," the subject of the sentence (twelve of the more than one hundred elements) is not performing the action, but is being acted upon. This is a passive voice sentence. The action (identifying) is being done by someone else (scientists).

Which sentence is in passive voice?By 1700, scientists had identified only twelve of the more than one hundred elements.By 1700, only twelve of the more than one hundred elements had been identified by scientists.Submit

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