CBSE · Class 7 · Social Science · WaterWhat causes ocean water to be saline?
Step-by-Step Solution
The correct answer is high amount of dissolved salts. Ocean water contains large amounts of dissolved salts, primarily sodium chloride (common salt), washed down from the land.
Detailed Options Breakdown
Option : High amount of dissolved salts (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Presence of marine plants
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Water.
Option 2: Pollution from factories
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Water.
Option 3: Mixing with freshwater
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Water.
💡 Study Guide: This question tests core syllabus concepts from Water. For formulas, key summaries, and mock exam reference guides, read the full Water Revision Notes.