From the list given below pick the item that is not natural resource

Options

A. soil
B. water
C. electricity
D. air

Explanation

**Step-by-Step Solution:**

1. **Understand the Definition of Natural Resources**: Natural resources are materials or substances that occur naturally in the environment and are not significantly altered by human intervention. They include elements like soil, water, air, minerals, and forests.

2. **Analyze the Given Options**: The question asks to identify which item from the provided list is not a natural resource. The items to consider are soil, air, water, and electricity.

3. **Evaluate Each Item**:
- **Soil**: Soil is a natural resource as it exists in nature and is formed through natural processes.
- **Air**: Air is also a natural resource as it is present in the environment and is essential for life.
- **Water**: Water is a natural resource found in rivers, lakes, and oceans, and is vital for all living organisms.
- **Electricity**: Electricity is not a natural resource. It is a form of energy that is generated through various means, often involving human-made systems and technologies.

4. **Identify the Answer**: Based on the analysis, electricity is the item that does not qualify as a natural resource.

5. **Conclude**: Therefore, the answer to the question is electricity.

**Final Answer**: Electricity is not a natural resource.

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