Deforestation increases the level of one of the following in the atmosphere. This one is :

Options

A. ozone
B. carbon oxide
C. oxygen
D. water vapour

Answer

**Step-by-Step Solution:**

1. **Understanding Deforestation**: Deforestation refers to the process of clearing forests or cutting down trees. This can happen for various reasons, including agriculture, urban development, and logging.

2. **Role of Plants in the Atmosphere**: Plants play a crucial role in maintaining the balance of gases in the atmosphere. Through the process of photosynthesis, they absorb carbon dioxide (CO2) and release oxygen (O2).

3. **Impact of Cutting Down Trees**: When trees are cut down, there are fewer plants available to absorb carbon dioxide. This means that the amount of CO2 in the atmosphere will increase because there are not enough plants to take it in.

4. **Consequences of Increased CO2 Levels**: The increase in carbon dioxide levels can lead to several environmental issues, the most significant being global warming and the greenhouse effect. This occurs because CO2 is a greenhouse gas that traps heat in the atmosphere.

5. **Conclusion**: Therefore, the correct answer to the question is that deforestation increases the level of carbon dioxide in the atmosphere.

**Final Answer**: Deforestation increases the level of carbon dioxide in the atmosphere.

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