Environmental Science
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?

Orchard heaters
All of these
Irrigation (cover the area with water)
Wind machines

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Environmental Science
How do red and blue light differ?

Blue light has a higher speed of propagation.
Red light has a higher intensity.
The wavelength of red light is longer.
Red and blue light have different directions of polarization.

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