The hazards from the volcanoes include lava and pyroclastics, tephra and , lahars and climate alteration. Fertile soil and geothermal energy are beneficial results of volcanic eruptions. Much of El Salvador for example is convered with volcanic ash and this has been a fertile growing medium for coffee plants.
From the lower plate which melts in the earths mantle.
Answer:
The development of a new subdivision in a remote area would lead to the creation of a poor area, without development possibilities, especially since there are no utility services.
That is because earth spins towards the east.