Answer:
Soil erosion causes siltation in rivers, dams, etc. In some areas, huge river deltas are formed (such as River Nile delta) because of soil erosion. Such places are good for agriculture but not good for urbanization. However, some people do not care about it, they just want to construct buildings on alluvium type soils.
The boundary separates them<span />
Answer:
Wind, an indirect form of solar energy, moves the surface currents while the surface currents itself also rotate in circular patterns due to the earth's rotational force. They are both part of the Coriolis effect.
Explanation: