Earthquake data provided courtesy University of Utah. Yellowstone is one of the most seismically active areas in the United States. Approximately 1,000 to 3,000 earthquakes occur each year in the Yellowstone area; most are not felt. They result from the enormous number of faults associated with the volcano.
What are the effects of environmental pressure on natural selection? A: Environmental pressure is another term for natural selection, a process that encourages some genes to survive because they are conducive to the environment while others die. This process slowly causes a distinct species to evolve over time. Continue Reading.
The temperature at which the vapor pressure of a liquid is equal to the external pressure is called the boiling point. External and atmospheric pressure refer to the pressure exerted by the collision of atoms and molecules in the air upon the surface of the Earth. As elevation increases, the pressure decreases.