This is due to the amount of infrastructure in the city. All that metal holds heat making inside the city hotter than outside the city.
Yes it was formed by a glaciers.
Caspian Sea is what I got
Answer:
Stratovolcanoes are common at subduction zones, forming chains and clusters along plate tectonic boundaries where oceanic crust is drawn under continental crust (continental arc volcanism, e.g. Cascade Range, Andes, Campania) or another oceanic plate (island arc volcanism, e.g. Japan, Philippines, Aleutian Islands).