An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
Also, Marine sediment, any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanism, chemical precipitates from seawater, and materials from outer space.
<span>most lakes were formed from : melting glaciers
When glaciers melt, the ice that cover it will started to turn into liquid. The force of Gravity will bring this liquid onto the holes on the surface of earth and filling it with water, which is the lakes that we are commonly see</span>
The Niagara River is important to the people of the Northeast because it supplies power throughout the region via hydropower. It also helps the economy because of the tourism.
Mexico city is bigger by population but Los Angeles is bigger by area