Aperson who experiences physical symptoms such as vomiting and insomnia when he or she stops taking a drug has developed a ,a. physiological dependence, b. psychological dependence, c. tolerance, d developmental asset?

Physiological dependence is my best guess. 

the correct answer is d

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.