Environmental Science
What is the official name of IUCN?

World Wide Fund for Nature
United Nations Environment Programme
International Union for Conservation of Nature and Natural Resources
United Nations Educational, Scientific and Cultural Organization

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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.
The wavelength of red light is longer.
Red light has a higher intensity.

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