Answer:
Option B is Correct
Explanation:
B. The natural channel had a lower gradient and higher friction than the straight channel.
Rainstorms provide natural moisture to the environment. Receiving rain will keep plant life healthy, give animals a natural reservoir to drink from, as well as keeping the life in the river healthy. Though a flash flood may cause damage to buildings and habitats at first, buildings can be fixed and over time, wild flora and fauna will return to the area, often more plentiful, is there is a good amount of moisture <span />
An accurate description of the physical characteristics of Poland is mainly flat landscape, fertile soil except in the east and northeast, many lakes, large deposits of coal, sulfur, and copper, a mountainous region in the south. <span>Coal is Poland's most important mineral resource.</span>
