high school environmental science biology

Electricity is obtained from flowing water. Water from the dam is allowed to flow through the tunnels at a high pressure. Turbines convert the potential energy of the water into electrical energy. About 23,800 MW of energy is generated by hydel power in India. Hydel power requires constru..

Waste Management - We are an integral part of the environment. Our activities change the environment around us. Changes in the environment affect us. Environmental problems like depletion of the ozone layer and waste disposal are issues that have to be dealt with serious concern. In our d..

Human evolution concerns itself with the emergence of humans as a distinct species. Undoubtedly, there are special features possessed by 'Homo sapiens' considered to be at the top of the evolutionary ladder but science has become fully committed to finding purely biological ex..

>Fossils also show evidences of evolutionary relationships. Their study provide knowledge about the extinct forms, and also provide links between two groups of species Organisms have emerged due to evolution by stages and adaptations for new functions. Intermediate stages can be traced by studing t..

Environmental Consequences - The energy source that we actually choose depends on various factors like the cost, the ease with which it is available, the efficiency of the technology available and the environmental damage that will be caused by using that source. It is thus deba..

Dams contribute enormously to deforestation and the loss of biological diversity. They can also result in potentially huge accidents during disasters like earthquakes. The embracing of centralized mega water management and regulation has also led to two more criticisms. The politicizat..

Exploiting any energy source disturbs the environmental balance and must be harnessed judiciall..

Health is considered to be the state of perfect functioning of body and mind, unhindered by diseases. Disease is the malfunctioning of the organism or a part of it due to infection, inherent weakness or environmental stress that upsets the normal physiological functioning of the organi..

Question: Name any four environmental problems faced by today's world. Answer: Four environmental problems being faced by today's world are: 1) Population explosion 2) Pollution 3) Global warming 4) Soil erosi..

Afforestation is necessary to get sufficient rainfall for the conservation of soil, plants and animals of the area. In recent days, protection of wild life and management of forests is a difficult task. The conservation of forests includes the following methods: Afforestation - social and en..