<span>a cone formed around a volcanic vent by fragments of lava thrown out during eruptions.</span>
Answer:
D. on the surface, directly above the focus
A hydrogen bond forms from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom.
Warm air rises, expands, then cools. As cool air sinks it may cause precipitation. Some air masses such as the MT which originate in warm environments carry humid air and cause heavy precipitation in some areas.