Define renewable or conventional sources of energy.

Explanation

### Step-by-Step Solution:

1. **Definition of Renewable Sources of Energy**:
- Renewable sources of energy, also known as non-conventional energy sources, are energy sources that can regenerate or be replenished naturally over time. This means that they are sustainable and will not run out as long as the natural processes continue.
- **Example**: The sun is a prime example of a renewable source of energy. Solar energy harnessed from sunlight can be collected and used repeatedly without depleting the sun's energy.

2. **Definition of Conventional Sources of Energy**:
- Conventional sources of energy refer to energy sources that are finite and can be depleted over time. These sources are often referred to as non-renewable energy sources because they do not regenerate quickly enough to keep up with consumption.
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