Why Is the Molten Metallic Outer Core and the Magnetic

question 29

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, we would be bombarded by meteorites and we would not be able to hold the moon in orbit.
• B) 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.
• C) 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.
• D) 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.

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Definitions:

Perimetrium

Outer serous coat of the uterus; also called serous layer.

Endometrium

The mucous membrane lining the inside of the uterus, which thickens during the menstrual cycle and is shed if pregnancy does not occur.

Endometrium

The inner lining of the uterus, which thickens during the menstrual cycle to prepare for potential pregnancy.

Uterine Wall

The muscular layer of the uterus, crucial for menstrual contractions and expanding during pregnancy to accommodate a growing fetus.