On the ground, teams of paramedics administered first aid to the victims the accident, while police helicopters overhead.

hover

Explanation:

According to my research on medical emergency procedures, I can say that based on the information provided within the question this is done while police helicopters hover overhead. During a traffic accident where there are casualties, helicopters are deployed in order to airlift anyone that is in critical condition. Therefore they hover over the accident waiting for the signal that the paramedics require an airlift or whether they can leave.

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is it multiple choice?

answergenetic engineering;