Which of the following is a pair of exhaustible natural resources.

Options

A. coal and oil
B. air and sun-light
C. water and petroleum
D. wild life and minerals

Answer

To determine which of the following is a pair of exhaustible natural resources, we need to understand what exhaustible natural resources are. Exhaustible natural resources are those that are available in limited quantities and can be depleted over time. They take a long time to form and cannot be replenished quickly.

### Step-by-Step Solution:

1. **Understand the Concept of Natural Resources**:
- Natural resources are materials or substances that occur in nature and can be used for economic gain. They provide energy and raw materials for various processes.

2. **Define Exhaustible Natural Resources**:
- Exhaustible natural resources are those that are finite and can be depleted. Examples include fossil fuels like coal and petroleum, as well as minerals.

3. **Analyze the Options**:
- **Option 1: Coal and Soil**:
- Coal is exhaustible, but soil is considered inexhaustible because it can be renewed through natural processes. This option is incorrect.
- **Option 2: Air and Sunlight**:
- Both air and sunlight are inexhaustible resources. This option is incorrect.
- **Option 3: Water and Petroleum**:
- Water is generally considered inexhaustible due to the water cycle, while petroleum is exhaustible. This option is incorrect.
- **Option 4: Wildlife and Minerals**:
- Wildlife can be considered exhaustible due to habitat loss and overexploitation. Minerals are also exhaustible as they take a long time to form. This option is correct.

4. **Conclusion**:
- The correct answer is **Option 4: Wildlife and Minerals**, as both are exhaustible natural resources.