Question

Which is not a source of fresh water?

• A. Glaciers and ice sheets
• B. Groundwater
• C. Surface runoff
• D. Oceans

Answer 1

The correct option is D

Oceans

The correct option is option D.

Explanation of correct option:

1. Oceans are a reservoir of all water sources.
2. The water of oceans is mostly saline and is unfit to use.
3. Water from rivers, and lakes all reach oceans and hence it is not fresh.

Explanation of incorrect options:

Option A:

1. The glaciers and ice sheets are melted and it gives rise to a freshwater source.

Option B:

1. The groundwater is the best source of fresh water, as it is constantly being restored.

Option C:

1. Surface runoff is also a good source of fresh water.
2. This type of water is an excess flow of rainwater

Final answer: Oceans are not a source of fresh water.