Why Is the Molten Metallic Outer Core and the Magnetic

question 95

Multiple Choice

Why is the molten metallic outer core and the magnetic field important to life on Earth?

• A)If we did not have the molten core and the magnetic field,the earth would not have plate tectonics and would be covered entirely by water.
• B)If we did not have the molten core and the magnetic field,the atmosphere would be very different with either too much ammonia and methane or too little oxygen and water.
• C)If we did not have the molten core and the magnetic field,we would be bombarded by cosmic rays that would strip away our atmosphere.
• D)If we did not have the molten core and the magnetic field,we would be bombarded by meteorites and we would not be able to hold the moon in orbit.

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