((Submarine Seeps, Are They A Major Source of Open Ocean Oil Pollution, Science, by Max Blumer, Vol. 176, p. 1257) (c) Helium Decay: As plant and animal life dies and then decays, a certain amount of helium is released into the atmosphere.
((c) Helium Decay: As plant and animal life; dies; ) (a certain amount of helium; is released; into the atmosphere) (Science; [is] A Major Source of; Open Ocean Oil Pollution)
(c) Helium Decay: As plant and animal life a certain amount of helium Science
dies is released [is] A Major Source of
into the atmosphere
Open Ocean Oil Pollution