5. Which ion has the same electron configuration as argon (Ar):
o S2-
O A13+
Ba2+

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Gymnast always perform on padded mats. how does the mats protect the gymnast