Please give sure answers :) 30 pts
Check all that apply. Electromagnetic waves are:

 Mechanical waves
 Transverse waves
 Pressure waves
 Move perpendicular
 Move parallel
 Frequency is directly related to speed
 Frequency is inversely related to wavelength
 Wavelength is directly related to speed
 Require a medium
 Transfer energy

Respuesta :

freq is inversely proportional to wavelength

require a medium

transfer energy

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