The moat abundant element in sea water is
A. Sodium
B. Chlorine
C. Magnesium
D. Sulphur
Answer: Option B
A. Sodium
B. Chlorine
C. Magnesium
D. Sulphur
Answer: Option B
The years 1700, 1800 and 1900 were
A. Leap years
B. Not leap years
C. Famine years
D. Years of natural calamities
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