Multiple choice

Percentage of salt in the sea water is

  1. 40 gr per kilo

  2. 50 gr per kilo

  3. 35 gr per kilo

  4. 25 gr per kilo
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Seawater contains approximately 3.5% salt by weight, which equals 35 grams per kilogram of seawater. This salinity level is consistent across most of Earth's oceans.

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