Desert is a region which receives less than 10 inches of precipitation a year. Tremendous Variations in the day  and night temperature lead to weathering of rocks resulting in the breakdown of rocks into fine particles.Deserts are categorized into four:Cold Winter deserts- Temperature variation from season to season … [Read more...] about Deserts: An Introduction

A sudden release of stored energy in earth’s crust that creates seismic waves is termed as Earthquake.Cause Most earthquakes are related to compressional or tensional stresses built up at the tectonic plates which make up the earth's surface. This usually happens when the tectonic plates get locked up and are not able to slide past each … [Read more...] about Earthquakes

Tsunami is a series of ocean water waves caused by the displacement of large amount of water, sending water onto land. The sudden motion of water is mostly due to an earthquake, an underwater volcanic eruption, an underwater landslide and sometimes due to crashing of asteroid or meteoroid from space into the water body. Since it is composed of … [Read more...] about Tsunami