The Neolithic revolution was the first agricultural revolution. It was a gradual change from nomadic hunting and gathering communities and bands to agriculture and settlement. This period is described as a "revolution" because it changed the way of life of communities which made the change. It occurred in different prehistoric human societies at different times. Many societies changed 9–7 thousand years ago.
The term refers to the general time period over which these developments took place. It also applies to the changes which took place: the adoption of early farming techniques, crop cultivation, and the domestication of animals. The Neolithic Revolution is important for developments in social organization and technology.
The Neolithic revolution led to living in permanent or semi-permanent settlements. Because of this fewer people led a nomadic lifestyle. To be able to know who the crops grown belonged to, the concept of land ownership was developed. The natural environment was changed, population densities grew, and people ate more vegetable and cereal foods in their diet. Hierarchies developed in society. Grain was stored, and could be traded. Surplus production from good crop yields helped societies survive bad years.
The following statements about mining is true: Mining allows useful minerals to be extracted from the Earth. Correct answer:D
Mining has a large impact on the environment because minerals are contained within the Earth. The long term effects of mining include acid drainage
, erosion
and dust emissions.
Jupiter, Uranus, Neptune, and Mars.
The major geological process of Ethiopia are:
- Weathering.
- Mass transfer.
- Erosion and deposition.
Note that they are said to act on the volcanic and structural landforms by changing , roughening and reducing them to the minimum. The landmass of Ethiopia, is known to be as a result of the both effect of endogenic and exogenic processes.
<h3>What are those event about?</h3>
The above Events are known to greatly alter or created the Ethiopian geology as it brought about the putting together and also the break-up of Gondwana and the now aday rifting that took place in Africa.
So, The major geological process of Ethiopia are:
- Weathering.
- Mass transfer.
- Erosion and deposition.
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