Assertion: radiation | /r/MadeOf | electron
Facets:
value: mainly
type: DEGREE
value: respectively
type: MANNER
Source sentences:
text: A common source of ionizing radiation is radioactive materials that emit α, β, or γ radiation, consisting of helium nuclei, electrons or positrons, and photons, respectively.
text: The radiation in the van Allen Belts consists mainly of electrons and protons.