What is a seismograph? What is a seismograph? an instrument used to record earthquake waves an instrument used to analyze earthquake waves an instrument used to predict earthquake waves an instrument used to create earthquake waves

Respuesta :

Answer:

A. An instrument used to record earthquake waves.

Explanation:

Answer:

Explanation:

seismograph is used to measure the intensity of shock wave produce by earth surface. And it can be recorded on the Richer scale.