Give the term for the study of fresh water bodies.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Types of Water Bodies**:
- Water bodies can be classified into two main types: salty (marine) and fresh (non-marine).
- Salty water bodies include seas and oceans, while fresh water bodies include lakes, ponds, rivers, and glaciers.

2. **Identifying Freshwater Bodies**:
- Freshwater bodies are characterized by low concentrations of dissolved salts.
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