When MRI machines are capturing images of a person's body, they produce extremely powerful magnetic fields. What might be some issues that an MRI technician would need to work around due to these magnetic fields?

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Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

The fact that the total amount of energy in a system remains constant is a(n)

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.