Write a paragraph describing how the foods guide system changed over the years.

The food chain has changed a lot over the years. For example the food chain has become more reliable on non healthy items from fast food or stuff that is full of sugar. For example when mcdoanlds became popular people started to eat it everyday having them grow in weight.   Explanation:

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.

answer a scar develops;