Question

4) What tools do scientists use to measure seismic waves?

Answer 1

Answer:

Think of a seismograph as a kind of sensitive pendulum that records the shaking of the Earth. The output of a seismograph is known as a seismogram. In the early days, seismograms were produced using ink pens on paper or beams of light on photographic paper, but now it's most often done digitally using computers.

Explanation:

please Make As Brainlist Answers please

Answer 2

Seiismograph as a kind of sensitive pendulum that records the shaking of the Earth. The output of a seismograph is known as a seismogram. In the early days, seismograms were produced using ink pens on paper or beams of light on photographic paper, but now it's most often done digitally using computers.

Pls mark me as brainiest..