Which of these create radio waves? (1 point)
changing electric and magnetic fields ap...
Geography, 29.01.2020 03:12 kenzienoel1876
Which of these create radio waves? (1 point)
changing electric and magnetic fields applied at right angles
longitudinal waves traveling along the horizontal direction
compressions traveling along the vertical direction
transverse waves traveling at different speeds
Answers: 1
Geography, 22.06.2019 22:40, gggghhhhhhhhhhhh
[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat
Answers: 1
Geography, 23.06.2019 08:10, duxks
Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory
Answers: 1
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