Question

Explain the terms:(1) Soil erosion (2) Soil - conservation (3) Rare resources
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Answer 1

Answer:

1) Soil erosion

Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice, snow, air, plants, animals, and humans.

2) Soil conservation

Soil conservation is the prevention of loss of the top most layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.

3) Rare resources

Rare resources (colloquially rares) are a type of resource in Rise of Nations. They are limited in number and are usually gathered by Merchants built at the Market.

Answer 2

Soil erosion: Soil erosion is a naturally occurring process that affects all landforms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water and wind or through forces associated with farming activities such as tillage.


Soil conservation : Soil Conservation is a combination of practices used to protect the soil from degradation. ... This means returning organic matter to the soil on a continual basis. Soil conservation can be compared to preventive maintenance on a car.


Rare resource: Resources that can only be acquired by one or few companies are considered rare. When more than few companies have the same resource or capability, it results in competitive parity.


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