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.
What is Atmospheric Pressure? Atmospheric pressure is a force of a weight of air applied to a surface below it. In simple terms, atmospheric pressure is also the same as air pressure. To imagine clearly, what atmospheric pressure is, simply think of a force in the atmosphere that is applied to a specific area. A barometer is an instrument that measures atmospheric pressure.