Question

define asterism???????​

Answer 1

Explanation:

Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice, snow, air, plants, animals, and humans.

Answer 2

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference,and is a function of time. Velocity is a physical vector quantity; both magnitude and direction are needed to define it..