The vertical component of the Earth's magnetic field is usually measured by using a degaussing device. a magnetron. a dip meter. a compass.

The vertical component of the Earth's magnetic field is usually measured by using a degaussing device. a magnetron. a dip meter. a compass.

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The vertical component of the Earth's magnetic field is usually measured by using a degaussing device. a magnetron. a dip meter. a compass.

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