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.
However, the Egyptians weren't the only civilization to develop in Ancient Africa. Important civilizations developed throughout the continent such as Carthage, the Mali Empire, and the Kingdom of Ghana. You can learn more about these civilizations in the links below. Culture. The culture of Ancient Africa was as diverse as the geography of the large continent. The Sahara Desert of North Africa, the savanna of West Africa, and the rainforest of Central Africa shaped the way people lived their lives. Much of what we know about Ancient Africa has been passed down orally over the years through storytellers called griots.