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Q: What does air drainage do in cold climates?
  • A. It keeps the soil warm.
  • B. It protects plants from damage caused by frost.
  • C. It keeps the dust particles aloft.
  • D. It filters better quality air.
Correct Answer: Option B - In cold climates, air flow protects plants from frost damage.
B. In cold climates, air flow protects plants from frost damage.

Explanations:

In cold climates, air flow protects plants from frost damage.