The sentence used in the passive voice is A) The effects of cyanide are well known.
All other sentences are used in the active voice.
Answer:
It suggests that many families in the United States are immigrants or have roots of other nations. It is very diverse.
Explanation:
"B. Are we attending the picnic at the park?" is the only sentence from the list that has a verb that agrees with its subject, since the others have issues with number.
Answer:
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Explanation: