Jane eats an apple for breakfast. During digestion, the apple molecules react with oxygen in janes body to form what compounds? A. oxygen and carbon dioxide
B. free radicals
C. Oxygen and hydrogen
D. Carbon dioxide and water

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.