Which among the following is/are correctly matched?
A. Normal lapse rate - 3°F per 1000 feet
B. Dry adiabatic change rate - 5.5° F per 1000 feet
C. Wet adiabatic change rate - 3.6°F per 1000 feet
Code :

Question

Which among the following is/are correctly matched? 
A. Normal lapse rate - 3°F per 1000 feet 
B. Dry adiabatic change rate - 5.5° F per 1000 feet 
C. Wet adiabatic change rate - 3.6°F per 1000 feet
Code :

Accepted Answer

Here's the explanation supporting Option 2 as the correct answer:

Option 2: A and B

**Explanation:**

*   **A. Normal lapse rate - 3°F per 1000 feet:** This statement is correctly matched. The normal lapse rate refers to the average rate at which temperature decreases with altitude in the troposphere under standard atmospheric conditions. This rate is approximately 3.5°F per 1000 feet, which is close to 3°F per 1000 feet.

*   **B. Dry adiabatic change rate - 5.5° F per 1000 feet:** This statement is also correctly matched. The dry adiabatic lapse rate is the rate at which a parcel of dry air cools as it rises in the atmosphere. This rate is approximately 5.5°F per 1000 feet (or 10°C per kilometer).

*   **C. Wet adiabatic change rate - 3.6°F per 1000 feet:** This statement is also correctly matched. The wet adiabatic lapse rate is the rate at which a parcel of saturated air cools as it rises in the atmosphere. This rate is approximately 3.6°F per 1000 feet (or 6°C per kilometer).

**Why other options are incorrect:**

*   **Option 1: Only A:** This is incorrect because statement B is also correctly matched.
*   **Option 3: B and C:** This is incorrect because statement A is also correctly matched.
*   **Option 4: Only B:** This is incorrect because statement A is also correctly matched.

Therefore, since statements A and B are both correctly matched, Option 2 is the correct answer.