Human evolution and development is the process by which a human is beings developed on Earth from a now-extinct primates. Viewed from zoologically, we as humans are a Homo sapiens, a culture-bearing the upright-walking species that do lives on the ground and very likely have first evolved in Africa about 315,000 years ago. We are also now the only living members that what many zoologists are refer to as the human tribe, Hominini, but that there is abundant fossil as evidence to indicate that we were also preceded for millions of years by other hominins,
such as Ardipithecus, Australopithecus, and also other species of Homo, and that in our species also lived for a much time contemporaneously with at least one of other member of our present genus, H. neanderthalensis (the Neanderthals). In addition, to we and our predecessors have to always shared the Earth with other apelike primates, from the modern-day gorilla have the long-extinct Dryopithecus. That we can and the extinct of hominins are somehow related to and also that we and the apes, both living and also extinct, are also have somehow the related is accepted by the anthropologists and biologists in everywhere.
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The correct answer is - secondary economic activity.
The developing countries are trying to boost and develop their economies by developing the industry. They build lots of industrial facilities, factories, and instead of selling the raw materials to the more developed countries, they start to use the raw materials for their own purpose and manufacture them into products ready for the market. This production can include anything from creating steel from the iron ore, make juices from the fruits and vegetables, use the cotton for making clothes etc., so all in all making final products that directly end up on the market, thus making a bigger profit.
Answer:
The Hadean eon represents the time interval between 4.6 billion to 4 billion years back. It is marked by the initial formation of the earth , right from the time of gathering and accumulation of interstellar dust particles and gases, and there was frequent collision between the planetesimals of relatively larger in size. The core and the crust formed and started to become stable and also gradually led to the formation and expansion of the ocean and the earth's atmosphere.
This is how the earth gradually started to form and develop and took the shape during the time interval between 4.6 billion to 4.2 billion years old, and where the oldest rocks found on earth is dated from about 4.2 billion years in the past.
False, sources of salt water are ocean, sea water, <span>Some of the ocean's salts have been dissolved from rocks and sediments below the sea floor</span>Others have escaped from the Earth's crust through volcanic vents as solid and gaseous materials.
