Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.
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.
Tokyo is located on Honshu!
The answer is A a warm climate and good water supply. The coastal plains are known for having a sole source of drinking water as well as a good warm climate.
I hope this helps ! <3
Yes topaz is natural and formed and earth.