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Helium is the first member and the most abundent element in the known universe
Aluminium.
Arsenic has only one stable isotope 75As
Igneous rocks are the most common type of rocks on earth.
earth.
the second most abundent gas in the atmosphere is oxygen and the first in nitrogen
grass
flour
Hydrogen
Nitrogen
Helium is the first member and the most abundent element in the known universe
Insects
aluminum
Wildebeast
probably zooplankton
bacteria
Magnesium