Tina and Pete were negotiating, and they made a mistake. Which of the following is a mistake they might have made? A. They started talking about things between classes, so they only had 5 minutes to talk. B. Tina apologized even though she did not think it was all her fault. C. Pete "gave in' to what Tina wanted. D. All of the above

d) the ability to recognize shapes

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.