Why does water need conservation even though large oceans surround the land masses?

Explanation

### Step-by-Step Solution:

1. **Understanding Water Distribution**:
- The Earth is covered by approximately 75% water, with the majority of this water found in oceans.
- Oceans contain salt water, which is not suitable for drinking or irrigation.

2. **Importance of Fresh Water**:
- Fresh water is essential for all terrestrial life forms, including humans, animals, and plants.
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