What is the difference between a seismograph and seismogram?

A) A seismograph is an instrument that records movements within the earth. A seismogram is an instrument that monitors the earth's core.'

B) A seismograph is an instrument that records movements within the earth. A seismogram is the actual recording that scientists look at when studying earthquakes.

C) A seismograph is an instrument that monitors the earth's core. A seismogram is an instrument that records movements within the earth.

D) A seismograph is the actual recording that scientists look at when studying earthquakes. A seismogram is an instrument that records movements within the earth.

Q 2)
Which word describes the nature of the inner core of the earth?

A) Plastic

B) Solid

C) Liquid

D) Gaseous