Suppose the Temperature at Night Is Going to Drop to -5°C

question 102

Multiple Choice

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.

---

Definitions:

Sleep Pattern

The natural or habitual timing, quality, and quantity of sleep in an individual or across populations.

Myoclonic Jerks

Involuntary, quick muscle spasms often occurring as people are falling asleep.

Theta Waves

Brainwave patterns associated with states of drowsiness, light sleep, or deep meditation, typically in the frequency range of 4-8 Hz.

Delta Waves

Low-frequency brain waves that are present during deep sleep and are associated with restorative sleep functions.