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Do we use magnetometer to search for metal underground ( )
TRUE
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what do we call this device ?
GPR
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what do we call this device ?
satellite
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what do we call this device ?
Drone
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what do we call this device ?
GPS
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do we use drone to get pictures inside the earth ( )
TRUE
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Do we use satellites to get picture inside the earth ( )
FALSE
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what do we call this device ?
magnetometer
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