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1. |
What is the correct decreasing order of the share of different salts in sea water?$? |
A. | Sodium chloride, magnesium chloride, magnesium sulphate, potassium sulphate |
B. | Sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate |
C. | Sodium chloride, magnesium sulphate, potassium sulphate, magnesium chloride |
D. | Sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate |
Answer» B. Sodium chloride, magnesium chloride, potassium sulphate, magnesium sulphate | |