While in a meeting, george’s boss experienced cardiac arrest, which caused him to collapse and lose consciousness. he stopped breathing and his skin started to turn blue. george called 9-1-1.

what should george do next?

he should use the aed only.
he should perform cpr only.
he should perform cpr first, then use the aed.
he should use the aed first, then perform cpr.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Mark's girlfriend dropped him off at a party, and then she went to visit her best friend two blocks away. when mark called his girlfriend to get a ride home, he could tell she had been drinking. what is mark's best plan of action? ride home with someone else and let his girlfriend drive herself get a friend to take him to his girlfriend's car so he can drive them both home ask his girlfriend to drive to the party, and then mark will drive them both home let his girlfriend drive them home slow to avoid getting pulled over

How can people get cancer? what types of cancer are there? plz i’ll mark u brainliest