Select the correct answer from the list.(2 points)
Earthquake scientists use _____
waves to study the characteristics of Earth's layers. Some earthquake waves cannot travel through a liquid, such as______ . Scientists believe the ______ must be liquid.
1 answer
Earthquake scientists use seismic waves to study the characteristics of Earth's layers. Some earthquake waves cannot travel through a liquid, such as the outer core. Scientists believe the outer core must be liquid.