Early childhood years may be the first time children have to negotiate peer relationships. What do you think is key to promote healthy encounters? And what are "healthy encounters" at this age?

i've never heard of it before.

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.

i think your answer is a. coordination