Approximate age of earth (in million years) is

Options

A. 3600
B. 4600
C. 7200
D. 6000

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the approximate age of the Earth in millions of years.

2. **Identifying the Age of the Earth**: Scientists estimate that the Earth is about 4600 million years old. This estimation is based on various dating methods.

3. **Dating Methods Used**:
- **Rock Dating**: Scientists use techniques such as radiometric dating to determine the age of the Earth's crust. This involves analyzing the decay of radioactive isotopes within rocks.
- **Dating Celestial Bodies**: In addition to rock dating, scientists also study the ages of the Moon and meteoroids. These celestial bodies provide additional context and data for estimating the Earth's age.

4. **Conclusion**: After considering the evidence and methods used, the approximate age of the Earth is concluded to be around 4600 million years.

5. **Final Answer**: Therefore, the correct option for the approximate age of the Earth is 4600 million years.

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