the choices for the answer is Mantle, Oceans, Volcanos, magma, constructive, Iceland, apart (question is at the photo)

As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?

In a star, nuclear fusion occurs in the a. photosphere. b. corona. c. radiative zone. d. core.