Multiple Choice
If tonight's temperature is going to drop into the middle 20s (degrees Fahrenheit) and a fairly stiff wind is predicted, probably the best way to protect an orchard against a hard freeze is to (assuming that cost is not a factor) ____.
A) use helicopters
B) use wind machines
C) sprinkle the crops with water
D) put orchard heaters to work
E) pray for clouds
Correct Answer:

Verified
Correct Answer:
Verified
Q6: In July, at middle latitudes in the
Q7: Fruit trees are particularly vulnerable to cold
Q8: Farmers use an index called _ as
Q9: Because water has a high heat capacity,
Q10: What about the Southern Hemisphere somewhat offsets
Q12: Although the polar regions radiate away more
Q13: At what time during a 24-hour day
Q14: One would expect the LOWEST temperatures to
Q15: On the winter solstice, the highest position
Q16: A growing degree day for a particular