Earth's Magnetic Field Protects Earth and Its Inhabitants from

Earth's magnetic field protects Earth and its inhabitants from

A) the high-energy cosmic rays or hydrogen nuclei moving through the universe.
B) the majority of tiny but high-speed micrometeorites, which otherwise would crater Earth and cause significant damage to property.
C) a significant proportion of the solar neutrinos, the enormous flux of which could otherwise produce damage to genetic material in life-forms.
D) the solar wind, which would otherwise irradiate and damage life-forms if not deflected.