Fun with Geoscience Trivia

1. What name is given to the caver's lamp that uses a carbon compound and water to make acetylene, which is then lit to produce a white light?
   CARBIDE LAMP


2. Emery powder and emery paper are abrasives that use which ground-up mineral?
   CORUNDUM (SAPPHIRE)


3. The Juan de Fuca Ridge is located off the coast of which North American country?
   CANADA
   

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