Answer:
The answer is D. United States
Explanation:
I believe it is the nervous system
Answer:
C.Tectonic Earth Movements
It starts of producer which is plants and that is where it all begins.
The answer is Leg Extension.
Leg extensions are practices generally finished with a lever machine in a rec center. You sit on a cushioned seat and raise a cushioned bar with your lower legs. The activity works, for the most part, the quadriceps muscles of the front of the thigh—the rectus femoris and the vastus muscles.