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What is the speed of primary seismic waves as they travel through the Earth's crust?

A8 km/s

B9 km/s

C7 km/s

D6 km/s

Answer:

C. 7 km/s

Read Explanation:

  • Seismic waves are the waves that appear during an earthquake

  • The speed of primary seismic waves as they travel through the Earth's crust - 7 km/s

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