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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Environmental Science
A food web is

Like a food chain
A set of interconnected food chains, illustrating the tropic relationships among species
The set of prey species that are consumed by animals in an ecosystem
The tropic (feeding) levels that can be observed in an ecosystem

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