Some earthquake waves, a cat’s purr, and elephant communications consist of ultrasonic waves.
true
false

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate

Where should a carbon monoxide detector be mounted?