The heat energy from hot rocks present inside the earth is known as

Options

A. solar energy
B. wind energy
C. tidal energy
D. geothermal energy

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the heat energy that comes from hot rocks inside the Earth.

2. **Identifying the Concept**: The heat energy from the Earth's interior is a specific type of energy that is harnessed for various uses, including electricity generation.

3. **Recognizing the Term**: The term that describes this heat energy is "geothermal energy." This is derived from the Greek words "geo" meaning earth and "therme" meaning heat.

4. **Explaining Geothermal Energy**: Geothermal energy is considered a renewable source of energy because the heat from the Earth's core is continuously produced and can be replenished.

5. **Applications of Geothermal Energy**: This energy is used to produce electricity by utilizing steam that is generated from the hot rocks to rotate turbines connected to electric generators.

6. **Conclusion**: Therefore, the heat energy from hot rocks present inside the Earth is known as geothermal energy.

**Final Answer**: Geothermal energy.

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