1) newton of the surfaces in contact (the smoothness of the surfaces)
2) how hard the surfaces press together
Answer:
the note is one of the harmonic frequencies for the shower.
I just took the quiz, this is correct. Hope this helps:)
Explanation:
The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and below the exosphere. Within this layer of the atmosphere, ultraviolet radiation causes photoionization/photodissociation of molecules, creating ions in the ionosphere.