Why Is It Necessary to Shield Yourself from Gamma Radiation

Multiple Choice

Why is it necessary to shield yourself from gamma radiation and beta and alpha particles but not from radio waves or microwaves?

A) Radio waves and microwaves do not have much penetrating power.
B) Radio waves and microwaves are lower in energy, so they are not ionizing.
C) Radio waves and microwaves are higher in energy, so they pass through the body without adverse effect.
D) Radio waves and microwaves are not electromagnetic radiation.
E) Gamma radiation and beta and alpha particles are not ionizing.