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Definition of the Environment The environment consists of four overlapping components which play a vital role in sustaining life on Earth The four components are the Atmosphere Lithosphere Hydrosphere and Biosphere each works hand in hand with each other without one of these components this would upset the delicate balance of the environment The atmosphere is a mixture of transparent and odorless gases which is surrounding the earth in a layer which is held in place by the Earth gravitational pull The lithosphere is the Earths solid shell which is constantly changing some changes occur dramatically whilst other may take millions of years to form The Hydrosphere is the interconnected system of water storage in the atmosphere and lithosphere The biosphere the surface zone of the Earth and its adjacent atmosphere in which all organic life exists Interaction of the Environments Components The Environments components all work together each one some how is connected to the other components some how HYDROSPHERE is connected to the Atmosphere Water is transferred between the hydrosphere and biosphere by evaporation and precipitation Biosphere plants withdraw water from the ground using their root systems and transport water and nutrients through to stems and leaves Evaporation of water from the leaf surface is effective at transferring water to the atmosphere Lithosphere Water is the primary agent for the chemical and mechanical breakdown of rock called weathering to form loose rock fragments and soil By the process of erosion water sculpts the surface of the Earth ATMOSPHERE is connected to the Hydrosphere When the gases of the atmosphere come together with dissolved gases in water through a process known as gas exchange Biosphere it works by the exchanges of carbon dioxide and oxygen between the biosphere and atmosphere Lithosphere Volcanic eruptions emit gases to the atmosphere and atmospheric carbon dioxide dissolves in rainwater to produce a weak acid which
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