Assertion : The crown fires are most destructive as they burn the tree top.
Reason : Due to crown fire the temperature of that area may rise up to `700^@`C.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Explanation

To analyze the assertion and reason provided in the question, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding the Assertion**:
- The assertion states that "crown fires are most destructive as they burn the tree top."
- Crown fires indeed burn the upper parts of trees (the canopy), which can lead to widespread destruction of forests. This is because they can spread rapidly and affect a large area, making them more destructive than ground fires.

2. **Understanding the Reason**:
- The reason given is that "due to crown fire, the temperature of that area may rise up to 700°C."
- This statement is also true. Crown fires can generate extremely high temperatures, which can reach up to 700°C. This intense heat can cause severe damage to the ecosystem, including the destruction of plant life and habitat.

3. **Evaluating the Relationship**:
- Both the assertion and the reason are correct statements. The reason explains why crown fires are destructive, supporting the assertion.
- Therefore, we can conclude that both statements are true, and the reason correctly explains the assertion.

4. **Conclusion**:
- Since both the assertion and the reason are correct, and the reason supports the assertion, we can affirm that the statement is valid.

### Final Answer:
Both the assertion and reason are true, and the reason correctly explains the assertion.

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