Eutrophication and Algal Blooms
Sea Floor Spreading
Sea Floor Spreading states that new oceanic crust is being formed continuously at mid-oceanic ridges, while the older rocks move away from the ridge.
Continental Drift Theory: Evidences and Criticism
Continental Drift Theory proposed by Alfred Wegener tries to explain the distribution of oceans and continents. He gives many evidences in support of his theory. Although the theory has some lacunae but it is the foundation for modern theories such as plate tectonics and sea floor spreading.
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Exogenetic movements bring about various changes on the surface of the earth, learn the mechanism behind the exogenetic movements for UPSC exams
JEE Main: Previous Years' Question Papers
Endogenetic movements are responsible for the development of various types of landforms. These movements are the result of the internal forces of the earth.
Earthquake: Types and Mechanism
A detailed study of the phenomenon of an earthquake, its mechanism, scale of measurement and various seismic zones in India.
Interior of The Earth
The article covers Structure and composition of the interior of the earth and it's source of information for UPSC General Study preparation