Which statement correctly compares radio waves and microwaves?
Radio waves have longer wavelengths and lower frequencies than microwaves.
Radio waves have shorter wavelengths and higher frequencies than microwaves.
Radio waves have longer wavelengths and higher frequencies than microwaves.
Radio waves have shorter wavelengths and lower frequencies than microwaves
Answers: 3
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Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o
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How is it possible for someone to put an ear to a wall and hear someone in the next room? a.sound waves can travel though solids. b.the waves travel from room to room via air. c.there must be some air in the wall so the sound can travel through it. d.sound waves change to electromagnetic waves and then back again.
Answers: 1
Which statement correctly compares radio waves and microwaves?
Radio waves have longer wavelengths...
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