It regulates on/off like a light switch
Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.
Explanation:
Answer:
B is oldest because it is at the bottom which entails that it is the oldest.
Explanation:
E. Starting at the most basic level is the atom
Vastus medialis, vastus lateralis, vastus intermedius, and the rectus femoris.
