Give reasons for the below points
Why do we find oil layer above the water layer?

Explanation

To answer the question "Why do we find oil layer above the water layer?", we can break down the explanation into clear steps:

### Step-by-Step Solution:

1. **Understanding Density**:
- Density is defined as mass per unit volume. Different substances have different densities, which determines whether they will float or sink when placed in a liquid.

2. **Comparing Densities of Oil and Water**:
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