Which of the following statements is true of the dynamo effect? ...

[PhilipSeeMore]

Which of the following statements is true of the dynamo effect?
 
  A) It is related to the degeneration of the Sun's magnetic field at the bottom of the convection zone deep under the photosphere.
  B) It is believed to trap ionized gases in a magnetic arch that rises up through the photosphere and enters the lower corona.
  C) It is believed to operate in the liquid metal of Earth's core to produce Earth's magnetic field.
  D) It is related to the creation of a Doppler shift toward shorter wavelengths caused by a velocity of approach.

Question 2

A(n)__________is a form of an atom with the same number of protons but a different number of neutrons.
 
  A) isotope
  B) ion
  C) molecule
  D) meteor

[mceravolo]

Answer to Question 1

C

Answer to Question 2

A

[PhilipSeeMore]

Excellent

[meganmoser117]

Gracias!