Environmental Science
How do red and blue light differ?

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

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Environmental Science
What is the cause of the Exxon Valdez?

none of these.
a ship which wrecked on the coast of India
a plane which crashed and caused death of human life
Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.

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