What are the four major components of the earth. Explain in brief
Answers
The four major components of the earth are _
HYDROSPHER= the seas and oceans has formed the earth's hydrosphere. it covers 79% of the earth's surface
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LITHOSPHERE= this is the part of the planet composed of rock and minerals it covers 29% of the earth's surface
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BIOSPHERE = this contains all living organisms and it is intimately related to the other three spheres: most living organisms require gases from the atmosphere, water from the hydrosphere and nutrients and minerals from the geosphere.
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ATMOSPHERE = this is the gaseous layer surrounding the earth and held to its surface by gravity. The atmosphere receives energy from solar radiation which warms the earth's surface and is re-emitted and conducted to the atmosphere.
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Answer:
The four fundamental parts, subsystems, or spheres that make up the earth system—which is itself an integrated system—are the geosphere, atmosphere, hydrosphere, and biosphere. These components work together as separate systems and are intimately intertwined together.
Explanation:
- The geosphere,
which includes the solid crust, the molten mantle, and the liquid and solid portions of the earth's core, is the portion of the planet made up of rock and minerals. In many locations, the geosphere forms a layer of soil where nutrients are made available to living things, creating an essential biological environment and the foundation for numerous forms of life. In addition to tectonic forces and volcanic activity, the surface of the geosphere is subject to processes of erosion, weathering, and transport. These activities produce landforms including mountains, hills, and plateaus.
- The atmosphere
The gaseous layer that covers the earth and is pulled toward its surface by gravity is known as the atmosphere. Solar radiation that warms the earth's surface and then emits it again and conducts it to the atmosphere provides energy to the atmosphere. Through the process of evaporation, the atmosphere also takes up water from the earth's surface, which it subsequently uses to redistribute heat and moisture across the surface. The atmosphere also has elements like carbon, nitrogen, oxygen, and hydrogen that are necessary for life.
- The hydrosphere
those components of the earth's system that are made of water in its liquid, gaseous (vapour), and solid (ice) phases are included in this. The hydrosphere is made up of the oceans and seas of the world, its ice sheets, sea ice, and glaciers, its lakes, rivers, and streams, as well as its permafrost regions. The moisture present in soil (soil water), rocks, and both freshwater and saltwater systems is referred to as the hydrosphere (groundwater). For life to exist and be maintained on Earth, water is necessary. The fluid water systems and the cryosphere are two subclassifications of the hydrosphere (the ice systems).
- The biosphere
this is the home of all living things and is closely tied to the other three spheres because most living things need nutrients and gases from the geosphere, water from the hydrosphere, and minerals from the atmosphere. Living things have developed the ability to exist in one or more of the other three realms in addition to needing a medium to sustain their existence.. The bottom section of the atmosphere, the surface of the geosphere, and roughly the top 100 metres of the ocean all belong to a shallow surface layer that contains the majority of the biosphere.
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