Continents cover 29 percent of the surface of the earth and remainder is under oceanic waters. Alfred Wegner was a German meteorologist who put forth the Continental Drift Theory in 1912. It is considered that there
A Volcano is basically an opening in the Earth's crust through which heated, materials usually in form of magma are ejected out to the surface of Earth. Volcanism: It is the activity of eruption or
The Earth shows two types of motions which leads to seasons and day-night patterns. These motion are - rotation around its own axis and revolution about the Sun. Rotation - The movement of the earth on
The study of seismic activity gives valuable information about the interior structure of the Earth. Earthquake is a natural event and involves shaking of the ground. A thorough study and observations of this phenomenon has
It is given fact that the radius of earth is 6,370 km. Therefore, the interior of Earth can not be studied only by direct observations. But its properties are studied indirectly by deducing conclusions from the