Answer:
Sliding friction is the force that sliding objects experience
Explanation:
Answer: Mid-ocean ridges are geologically important because they occur along the kind of plate boundary where new ocean floor is created as the plates spread apart. Thus the mid-ocean ridge is also known as a "spreading center" or a "divergent plate boundary." The plates spread apart at rates of 1 cm to 20 cm per year.
1. one-Half
2. Apogee
3. Any object that revolves around another object
4. Venus's gravitation pull
