chapter 13 Our Home: Earth, a Unique Life Sustaining Planet - Part 3

Why is ocean water salty?

Type: MCQ • Marks: 1
Why is ocean water salty?
Options
A. Due to marine organism waste
B. Contains dissolved mineral salts mainly sodium chloride
C. High evaporation of pure water only
D. Pollution from rivers
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Class 8th Curiosity

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