2. The P-wave arrived at 16:17:20 pm and the S-wave arrived at 16:19:00 pm at the seismograph recording station. What is the distance to the epicenter?

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.