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Brief history
The history of the fax machine begins in 1843 in England with Alexander Bain. He devised an apparatus made up of two pens connected to two pendulums. He joined the two together with a wire, and was able to reproduce writing onto an electrically conductive surface. Some years later, in 18..
Evolution Should not be Equated with Progress
All of the changes, diversifications, and extinctions that happened over the course of life's history are the patterns of overall evolution. Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the large-scale evolutionary histor..
All of the changes, diversifications, and extinctions that happened over the course of life's history are the patterns of overall evolution. Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the large-scale evolutionary histor..Ecosystem - Definition
An ecosystem can be defined as 'a structural and functional unit of biosphere or segment of nature consisting of community of living beings and the physical environment, both interacting and exchanging materials between them'. E. P. Odum, an American ecologist, defined ecology as, 'the st..
Question 6
. They are the true giants of humanity; the others are insignificant. It is said that a famous boxer once refused to tie his seat belt aboard a plane. " Superman doesn't need a belt," he resisted. Tying his belt for him, the airhostess replied: " Superman doesn't need a plane either" . The truly gr..
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