the skin covering the human body consists of 2 layers.
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Sunspots are related to prominences and solar flares through the sunspots magnetic fields which causes prominences and the gases near a sunspot may cause a solar flare.
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James Watson<span> and</span>Francis Crick <span> discovered the three-dimensional structure of dna in 1953</span>
Homeostasis is the maintenance of a stable level of internal conditions even though environmental conditions are constantly changing. Metabolism is the sum of all the chemical reactions that take in and transform energy and materials from the environment.
