Multiple choice

Which of the following minerals is not found in ocean beds and ocean waters?

  1. Manganese

  2. Magnesium

  3. Common salt

  4. Bromine

  5. Potash

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct answer. Potash is found in many places in the world but is not found in ocean waters and ocean beds.