Suppose the temperature at night is going to drop to -5°C, and a fairly stiff wind is predicted. Assuming that cost is not a factor, which of the following methods is probably the best way to protect an orchard against a hard freeze?
A. Use helicopters.
B. Use wind machines.
C. Put orchard heaters to work.
D. Sprinkle the crops with water.
Answer: D
Environmental & Atmospheric Sciences
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