Translation= <span>Why do </span>volcanoes and earth are more frequent in certain regions of the planet?
They get more frequent the hotter it gets. Plus you have to count in the ring of fire which is a circle of volcanoes and not actually fire. In places that circle the pacific ocean.
I would say the answer is D.
The imaginary line that divides the earth into in this case the north and south hemispheres is called the Equator and it passes through Ecuador and actually Ecuador is the Spanish word for Equator. The French explorer La Condamine spent 10 years in Ecuador studying the equator and determined the oblate spheroid shape of the world.