Question
What was Mohorovičić's observation?(1 point)
Responses
Seismic waves travelled at varying speeds.
Seismic waves travelled at varying speeds.
Seismic waves travelled at constant speeds.
Seismic waves travelled at constant speeds.
Seismic waves penetrated all Earth's layers.
Seismic waves penetrated all Earth's layers.
Seismic waves could not go through the brittle crust.
Responses
Seismic waves travelled at varying speeds.
Seismic waves travelled at varying speeds.
Seismic waves travelled at constant speeds.
Seismic waves travelled at constant speeds.
Seismic waves penetrated all Earth's layers.
Seismic waves penetrated all Earth's layers.
Seismic waves could not go through the brittle crust.
Answers
GPT-4o mini
Mohorovičić's observation was that **seismic waves travelled at varying speeds**. This discovery helped in identifying the boundary between the Earth's crust and the underlying mantle, known as the Mohorovičić discontinuity or "Moho."