Seismograph is used to record intensity and source of : March 27, 2021 / By Preparation Point / MODEL PAPER 85: ASSISTANT DIRECTOR (BS-17) – 2018 in Local Government & Community Development Department Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Thunderstorm B) Heart beats C) Pulse D) Earthquake ✓ Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn