Which of the above boundaries can produce volcanoes?

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

Due to its high humidity, the south often experiences severe storms with heavy rains called cyclones ,hurricanes, monsoons, tornadoes

Abird flies at a speed of 75 metres per second for 15 seconds, how far does the bird fly