Approximately what proportion of people in the United States believe we have been visited by extraterrestrials?

A) around 33% or a third
B) about 50% or a half
C) less than 1%
D) more than 90%


A

Physics & Space Science

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a. Jupiter b. Saturn c. Uranus d. Neptune

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Dispersion occurs when:

a. some materials bend light more than other materials. b. a material slows down some wavelengths more than others. c. a material changes some frequencies more than others. d. light has different speeds in different materials.

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