QUESTION: 81

The Perfect Food Company makes Energy Bars for use as a meal replacement or diet supplement.

A Perfect Food Company spokesperson claims that Perfect's Energy Bar is superior to other nutritional bars.
Which explanation is most likely based on opinion rather than fact?

taste better
contain 40% protein
are fat free
are chocolate-covered
have 225 calories

Answer(s): A

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QUESTION: 82

Based on the information provided, which group served as the control in the experiment?

Group I
Group II
Group III
Group IV
Group V

Answer(s): A

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QUESTION: 83

Based on the information and diagram, which container has the most thermal energy?

Answer(s): E

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QUESTION: 84

-- Exhibit --
Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays are forms of radiant energy that make up the electromagnetic spectrum. Each portion of the electromagnetic spectrum has waves that vary in frequency and wavelength, but all can be used by people. Radio waves can be used to carry music and voices for great distances through air, X rays can be used for diagnostic work in medicine, and infrared radiation can be used for heating and drying.

-- Exhibit --
What appears to be the difference in the waves when moving from radio waves to X rays in the electromagnetic spectrum?

decreased wavelength
decreased energy
decreased frequency
increased wavelength and energy
increased wavelength and frequency

Answer(s): A

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QUESTION: 84