What is the source of heat when ironing a shirt

What produces a record of seismic waves? richter scale seismogram barometer seismograph

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx