Question

Which one of the following physical processes is responsible for soil heat loss?

• A. Infiltration
• B. Transpiration
• C. Evaporation
• D. Condensation

Hint:

Soil heat loss:
- Evaporation causes cooling (latent heat loss).
- Transpiration also causes cooling but is a plant process.
- Condensation releases heat (warming).

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
This question tests knowledge of the processes that affect soil temperature.

Step 2: Detailed Explanation:
Soil heat loss occurs through Evaporation (C).
Evaporation of water from the soil surface requires latent heat of vaporization.
This heat is taken from the soil, resulting in cooling (heat loss).
Other processes:
- Infiltration (A): Water entering the soil (does not directly cause heat loss).
- Transpiration (B): Water loss from plants (causes cooling but is not a soil process).
- Condensation (D): Release of heat (causes heating, not cooling).
Thus, evaporation is responsible for soil heat loss.

Step 3: Final Answer:
Thus, evaporation is responsible for soil heat loss, which corresponds to option (C).
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