the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
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<h2>A trophic pyramid shows where most of the energy in an ecosystem can be found. Each level is called a trophic level and as you move up trophic levels 90% of the energy is lost</h2>
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Explanation:
The relation between individual and society is very close. Essentially, “society” is the regularities, customs and ground rules of anti human behavior. These practices are tremendously important to know how humans act and interact with each other. Society does not exist independently without individual.
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No viruses are not considered as living organisms, until they enter the body of the host
