Crossword puzzle clue "extraterrestrial factor in creating much of earth's carbon 14"

Here are the possible solutions for extraterrestrial factor in creating much of earth's carbon 14 clue

Answer
Clue
Relevancy
cosmicrays
Clue
Extraterrestrial factor in creating much of Earth's carbon-14
isotopes
Clue
Carbon 12 and carbon 14
Definition
ISOTOPE, one of two more atoms with the same atomic number that contain different numbers of neutrons
stable
Clue
Like carbon 12, but not carbon 14
ymir
Clue
Giant slain by Odin, thus creating the Earth
alf
Clue
TV extraterrestrial
Sitcom extraterrestrial
Furry TV extraterrestrial
Former sitcom about a cat-eating extraterrestrial
Definition
(Australian slang) an uncultivated Australian

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