Types of bioenergy are

Options

A. Animal energy
B. Solar energy
C. Animal energy and fossil fuels
D. Animal energy and biofuels

Answer

### Step-by-Step Solution:

1. **Understanding Bioenergy**:
- Bioenergy refers to energy that is derived from biological sources, specifically from living organisms or organic matter. This includes various forms of energy that can be produced from biomass.

2. **Identifying Types of Bioenergy**:
- The question asks for the types of bioenergy. Common types include:
- **Biofuels**: These are fuels derived from biomass, such as ethanol from corn or biodiesel from vegetable oils.
- **Animal Energy**: This refers to energy produced from animal waste or through the use of animals for labor (like draft animals).
- **Biogas**: Produced from the anaerobic digestion of organic matter, including animal waste and plant materials.

3. **Evaluating the Options**:
- The options provided in the question include:
- Animal energy and fossil fuels (incorrect, as fossil fuels are non-renewable).
- Animal energy and solar energy (incorrect, as solar energy is not a form of bioenergy).
- Animal energy and biofuels (correct, as both are forms of bioenergy).

4. **Conclusion**:
- The correct answer to the question is "Animal energy and biofuels" as these are both types of bioenergy derived from living organisms.