Question

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

• A. 8 km/s
• B. 9 km/s
• C. 7 km/s
• D. 6 km/s

Answer 1

Answer:

C. 7 km/s

• 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