Why are americans eating more calories today than they did 40 years ago?

a. economy has improved.

b. portion sizes and calories counts have increased.

c. the government has relaxed food recommendations and guidelines.

d. people today aren’t as concerned with fitness as they once were.

70 % i think is the answer.

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.