Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of ab – McqOptions

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1.	Arrange these soluble cations (Na, Ca, K, Mg) in ascending order of abundance of soluble cations found in saline costal soils.
A.	Na>Mg>Ca>K
B.	Mg>Na>Ca>K
C.	K>Mg>Ca>Na
D.	Na>Mg>K>Ca
Answer» B. Mg>Na>Ca>K

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