Environmental Science
When a liquid thermometer is held in direct sunlight,

It will measure a much higher temperature than that of the air
It will measure the temperature of the sun rather than the air
It will accurately measure the air temperature
It will measure a much lower temperature than that of the air

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Environmental Science
How do red and blue light differ?

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

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