A) The mitral valve separates the right atrium from the right ventricle. B) The tricuspid valve divides the left atrium from the left ventricle. C) Aortic and pulmonary valves control the flow of blood into the heart.
In addition to the damage caused directly by seismic vibrations, list three other types of destructive events that can be triggered by earthquakes. Fire, Land slide, Tsunami 6. Describe the composition and physical properties of the crust. Crust is thin, rocky, & outer layer of Earth.n addition to the damage caused directly by seismic vibrations, list three other types of destructive events that can be triggered by earthquakes. Fire, Land slide, Tsunami 6. Describe the composition and physical properties of the crust. Crust is thin, rocky, & outer layer of Earth.
The nature of these destructive eventsâas well as their effect on the economyâvaries considerably. Some natural disasters, like tornadoes, hurricanes and earthquakes, tend to be short-lived events, lasting several seconds to a few hours, but causing substantial destruction in a concentrated area.he nature of these destructive eventsâas well as their effect on the economyâvaries considerably. Some natural disasters, like tornadoes, hurricanes and earthquakes, tend to be short-lived events, lasting several seconds to a few hours, but causing substantial destruction in a concentrated area.