It's an instrument used to record the intensity, direction, and duration of the movement of the ground.
pa help po need now
Share
It's an instrument used to record the intensity, direction, and duration of the movement of the ground.
pa help po need now
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
seismograph