Identify the solutions among the following mixtures.
(a) Soil
(b) Sea water
(c ) Air
(d) Coal
(e ) Soda water.

Explanation

To identify the solutions among the given mixtures, we need to determine which of them are homogeneous mixtures. A solution is defined as a homogeneous mixture of two or more substances that has a uniform composition throughout.

Let's analyze each option step by step:

1. **Soil**:
- Soil is a heterogeneous mixture. It contains various components like sand, clay, organic matter, and minerals that do not have a uniform composition. Therefore, soil is **not a solution**.

2. **Sea Water**:
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