Spring water usually contains

Options

A. dissolved salts
B. minerals
C. suspended impurities
D. both 1 and 2

Explanation

**Step-by-Step Solution:**

1. **Definition of Spring Water**:
- Spring water is defined as water that emerges from underground aquifers. These aquifers are natural underground layers of water-bearing rock or sediment.

2. **Source of Spring Water**:
- The water in springs comes from the natural flow of groundwater, which is filtered through layers of soil and rock, making it relatively clean.

3. **Composition of Spring Water**:
- Spring water is known for containing dissolved salts and minerals. These can include essential minerals like calcium, magnesium, and potassium, which can be beneficial for health.

4. **Absence of Impurities**:
- One of the key characteristics of spring water is that it does not contain suspended impurities. This means that it is generally free from contaminants that can affect the clarity and safety of drinking water.

5. **Medicinal Uses**:
- Due to its mineral content, spring water is often used for medicinal purposes. The minerals present can have health benefits, which is why some people prefer it over regular tap water.

**Final Answer**: Spring water usually contains dissolved salts and minerals but does not contain suspended impurities.

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