Shelli is a student describing the resonance of a metal beam. She demonstrates that the sound dims when the beam is vibrated at a certain frequency. What does she most likely say in response to the dimming sound?

“This is not the natural frequency of the beam.”
“This is the natural frequency of the beam.”
“The decibels are increasing.”
“The amplitude is not increasing.”

This is not the natural frequency of the beam."

Explanation:

cant without the picture! ?

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.