How does the magnetic field surrounding Earth benefit humankind?
A. It prevents magma from seeping out of the crust.
B. It steers aircraft away from radiation belts.
C. It protects us from radioactive particles.
D. It draws more oxygen into the atmosphere.
it prevents the Earth from ultraviolet radiation and other harmful substances from space. One stripping mechanism is for gas to be caught in bubbles of magnetic field, which are ripped off by solar winds
