The indiscriminate use of antibiotics has produced resistant strains of (points : 2)

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.

maria should use the source. it has been peer reviewed.

explanation:

peer review is the assessment of work by at least one individuals with comparable skills as the makers of the work. in the scholarly world, insightful peer review is regularly used to decide a scholastic paper's appropriateness for production so maria should use the source as it has been peer reviewed   even she could not determine the author.