Diatomic molecules are molecules composed only of two atom s, of either the same or different chemical element s. The prefix di-means two in Greek. Common diatomic molecules are hydrogen (H 2), nitrogen (N 2), oxygen (O 2), and carbon monoxide (CO).he bond in a homonuclear diatomic molecule is non-polar and covalent. In most diatomic molecules, the elements are nonidentical. Prominent examples include carbon monoxide, nitric oxide, and hydrogen chloride, but other important examples include MgO and NaCl.
Africa, which developed the world's oldest human civilization, gave humanity the use of fire a million and half to two million years ago. It is the home of the first tools, astronomy, jewelry, fishing, mathematics, crops, art, use of pigments, cutting and other pointed instruments and animal domestication.In short Africa gave the world human civilization.illions of years ago human life started in Africa, Australopithecus aphaeresis and Australopithecus africanus and Australopithecus robustus were all key rungs in the development of humanity.
Report Abuse. It did start in Mesopotamia based on evidence found in that area. I would not use wikipedia as a source for something like this, as you can go in and alter what it says.As time went on populations spread to the surrounding areas; including Africa, Asia, and Europe.o can't we assume that because it is so old we don't know how old it is that it would be the oldest. I am asking because my college professors says that scholars intentionally obscure the fact that Civilization began in Africa (by Africans of course). I did some research and apparently this is true.