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Showing posts with the label Human Impact

ADVANTAGES AND DISADVANTAGES OF VOLCANIC ACTIVITIES ON HUMAN AND ENVIRONMENT

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  The volcano is ruptured on the crust of planetary mass such as earth, which allows hot lava, volcanic ash, and gases to escape from the magma chamber. Volcanic activities have spread all over the world and can happen both on land and beneath the ocean. Volcanic activities are especially active in convergent and divergent zones where tectonic plates move away or toward each other. Examples of volcanoes active in 2018 include the Hawaiian volcanic eruption and Oldonyo Lengai mountain in Tanzania. A volcanic eruption can have both positive and negative effects on human activities and life in general. Here below are examples of some positive and negative effects of volcanic activities (volcanoes). Positive effects of volcanic activities. Volcanic rocks after weathering result in the formation of very fertile soils and hence encourage agriculture. Volcanoes help in the formation of valuable minerals like diamond, gold , silver.  Volcanoes lead to the formation of geysers whic...

THE CONCEPT OF ENVIRONMENT, COMPONENTS OF ENVIRONMENT AND THE PROBLEM FACING ENVIRONMENT

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  The term “ environment” refer to the surrounding and the influence surroundings have on living things. Surroundings include the living and the non living things. Thus environment include land, water, atmosphere and living things. In the environment, human beings are taken to be the center because they influence the environment and in turn it influences them. Simply environment includes everything surrounding us including ourselves.     THE COMPONENTS OF ENVIRONMENT Our environment is often divided into three components. These are the physical, the living and the cultural environment. The Physical Environment It consist of air, water, soil and rocks.   The living Part of the Environment; The second component is the habitat which is the home of living things (all living things). The habitat provide conditions necessary for life to prosper. The various creatures depend on each other for survival E.g. animals depends on plants for foods, plants depends on in...