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Magnetic reversals
Explanation:
A change in the orientation of the earth's magnetic field is known as magnetic reversals.
During a magnetic reversal, the geographic south pole aligns with the magnetic north.
The geographic north pole aligns with the magnetic south.
- The geomagnetic field of the earth is produced by the movement of metallic minerals in the outer core.
- This streaming of metallic minerals generals electric current that induces a magnetic field.
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Answer:
D. His device would not be successful because radio waves do not have enough energy to kill the bacteria.
Explanation:
