The crust floats on the convection currents
Mid-ocean ridge volcanoes form where two plates are moving apart as the plates move apart cracks form in the crust Magma from the mantle surges up these cracks and erupt unto the surface forming new crust
<span>Ultraviolet B radiation if i'm not wrong</span>
The answer that is being described above is SPAIN. This is the country that sent explorers so they can take control of the lands in the south and west of Mississippi river because of the gold deposits, as well as farming and ranching. Hope this answers your question.