A. first law of motion
Or the law of inertia states that an object in motion stay in motion and an object at rest stays at rest unless acted upon by a net unbalanced force
Answer:
Stream running down a mountain; the water flows over rocks and trees. ... river—complete the hydrologic cycle by returning precipitation that falls on land to the oceans
Explanation:
They are good because they begin the process of primary succession after a natural disaster.
