I think it is b because since it refers to climate vegetation it could be b mostly other answers dont make sense
It is in Asia .
Near Indian ocean.
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.