The two regions were ceded (given over) to France in exchange for independence of northern and central Italy is Nice and Savoy. Savoy is a culture region in southeast France. Nice is the <span>capital of the Alpes-Maritimes department on the French Riviera, sits on the pebbly shores of the Baie des Anges.</span>
Basically physical and chemical weathering (do not confuse with erosion, which involves movement) contribute to the destruction of mineral forms. In this case it breaks down the rocks, minerals and soils, creating slopes and hills. It may be caused by (any form of) water, wind, gravity, waves or sunlight.
And scientists say it will take natural processes 6,000 years to refill the reservoir