Fossil fuels- coal, petroleum and natural gas, are sources of energy and lots of useful substances. They have been and still they are the back bones of the economic developments and the basis of the modern civilization.
Darwin published his book “On the Origin of Species” on 24 November 1859. The aim of Darwin Day inspires to fulfil the academic curiosities. It demands to search the truth in scientific ways.
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollution. According to the National Water Commission (1973), water gets polluted if it has not been of sufficiently high quality to be suitable for the highest uses people wish to make of it at present or in future.
Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throughout the year. At the same time new leaves continue developing to compensate their number.
We have damaged ecosystems in the name of development. Wildlife too is facing danger. Our activities have impacted in such ways that animal population has fallen into a serious zone of danger.
Family is a universal Organisaion. The structure and form of a family varies from society to society. Variations in the forms of family are created by culture, social system, social values, and conditions of life. It is difficult to classify family on any one of these bases.
The acid rain affects living and non- living components of environment. In July 1982, Stockholm- the venue of U N –conference on acid rain, suffered heavy acid showers for about a week. In India too, acid rains have been reported since last twenty years in areas where thermal power plants are located and also around Delhi, the capital of India.
The conservation of environment implies the sustainable use as well as management of natural resources including wildlife, water, air, and soils of the earth.
Some propagules or seeds incidentally travel long distances and reach to other county. There they germinate and produce new plants.
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment.
Animals could be mainly divided into wild and domestic.
However, the domestic animals that live under wild conditions are called Feral Animals. It is not very difficult to understand a domestic animal from a wild animal, by looking at them, as there are many differences exhibited between them.
The process by which a new species is introduced into a habitat is called as Bio invasion. A number of…
