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12 cards from this deck
Maps the ocean floor
Measures time for sound to bounce off seabed
Views internal body structures (organs, developing baby)
Finds cracks in rail tracks
Locates oil and gas underground
Study Earth's internal structure using seismic waves
Sound waves bounce off surfaces
Some materials absorb sound waves
Sound waves travel through materials at different speeds
Faster in solids than liquids
Faster in liquids than gases
Analyze reflected sound and wave speed
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