Earth science : Introduction: All natural science disciplines pertaining to the planet Earth are referred to as earth sciences or geosciences. This field of science examines the intricate physical, chemical, and biological compositions and interconnections among the four spheres that make up Earth: the biosphere, hydrosphere, atmosphere, and geosphere. Although it has a considerably longer history, one may consider earth science to be a subfield of planetary science. The lithosphere, the hydrosphere, the atmosphere, and the biosphere are the four primary divisions of research that make up earth science. Each of these branches is further subdivided into more specialized fields. Earth science Earth sciences have both reductionist and comprehensive perspectives. It also includes the study of planets in orbit around Earth. Some planetary scientists look for and exploit mineral and energy resources using their knowledge of the globe. Others research the effects of human activit...
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