-Mountains provide us with freshwater, energy, food, biodiversity, and medicinal products – resources that may become very rare in the coming decades. They are also very prone to climate changes, land degradation, deforestation and natural disasters.
A. Hawaii is known for its numerous hotspots formed one after the other
The site of the chernobyl nuclear accident in 1986, was at the Chernobyl Nuclear Power Plant, which was located in Ukraine. In terms of cost and casualties, it was the worst nuclear power plant disaster in history.
True. A theory arises from certain phenomena or scenarios out of observation in an effort to explain why they occur, though they are yet to be proven.
That is called an obtuse angle.