Over time, pressure continues to build in the tectonic plates, until suddenly, they shift in an earthquake. Aftershocks are common, but then a long time can pass before another one becomes likely.
When something happens, energy is changed from one form into another. When you climb stairs, chemical energy in your food is changed into kinetic energy by your muscles, and into potential energy as you raise your body against gravity. The amount of energy transferred is measured in JOULES.
I believe the term you are looking for is called an agora.
The answer to the question above is "improper farming techniques' which is the cause of the freshwater problem in Australia based. Australia uses most of its fresh water for its agricultural activity which is the major source of its economy<span>. A shortage problem would likely happen from this activity.</span>
