PLZ HELPPP ITS ONLY ONE ANSWER What is a possible effect of long-term environmental changes? A. adaptation B. migrationC. habitat loss D. starvation

A

Explanation:

animals will evntually learn to adapt to changes in their new enviroment. C and D would work but eventually they would find new ways to survive

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.