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.
Mixing of different types of substances in soil- which affects its natural qualities, and reduces its fertility- is called as soil pollution. Some environmentalists define soil pollution as – build-up of toxic chemical compounds, salts, pathogens or radioactive materials in soil that can affect plant and animal life adversely, is called as soil pollution.
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
Brain and Spinal cord together constitute the Nervous System. The nervous system receives information in the form of impulses from all parts of the body and integrates this information.
The Social Dimensions of environment incorporate – Demographic Pattern, Life styles of people, Human Health and Habitat, and Social Interactions…
The Envelope of air held around the earth by its magnetic force, gravity or geomagnetism, is called the atmosphere.
An association of all the plants at a particular place is called a Plant Community and the association of all the animals at the same place is called an Animal Community. Both the plant and animal communities inhabit a particular place living completely merged and interacting among them. Members of a community not only interact with the members of other communities, they interact with the members of their community and with the physical environment around them, as well.
Deforestation contributes up to 20 percent of greenhouse gas emission which is more than the combined emission by all the cars, trucks, planes, boats and, trains of the world. Deforestation threatens our climate. Besides this, it threatens the livelihoods of 1.6 billion people who depend on forests for food and economic activities. They serve as habitats to rare and so far, undiscovered species of plants and animals. They also play a key role in maintaining water cycles and preventing floods and soil erosion. Hence, forests across the world need urgent measure of protection by all possible ways, may it be through alternatives to deforestation.
It is now a general opinion that if we see something moving, it is alive.
Kirata, Kalmegh or Chiraita is a wild herb with bitter taste. It grows in the wild in forests, wastelands, and along roadsides. It is popularly known as the king of bitters.
