Simple 6th grade easy science! pls help i put the rest o my points into dis :>

A and D

Explanation:

D, because the defentition of quantitative means: measured by the quantity of something rather than the quality,

And A, because continuous means to continue the whole of something. In this case, you are continuing the research of the specific group of ducks.

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.