What is Land Degradation?
The land and soil face many difficulties like deforestation, erosion, flooding, water logging, urbanization and salination. Around 33 percent of the land is going to be wasted at the end…
The land and soil face many difficulties like deforestation, erosion, flooding, water logging, urbanization and salination. Around 33 percent of the land is going to be wasted at the end…
The total area of land in our country is around 300 million hectares. The water in our country mainly comes from the Himalayas. Around half of this is considered to…
The radioactive pollution is defined as the physical pollution of air, water and the other radioactive materials. The ability of certain materials to emit the proton, gamma rays and electrons…
There are many effects of the radioactive pollution which is broadly classified as short and long range. The first effects were noted in the early 20th century. The people who…
The radioactive pollution can be controlled by number of ways. It includes the stoppage of leakage from the radioactive materials including the nuclear reactors, industries and laboratories. The disposal of…
There are many side effects of the noise pollution. It affects the general health and hearing power of the human beings. The high intensity of noise and its continued use…
There are many methods which help to control the noise pollution. The source of noise must be reduced. The path of transmission of sound must be stopped and the receiver…
There are certain characteristic features of the phylum chordata. They have a notochord which is like a solid and stiff rod. It is flexible and is present on the mid…
The phylum chordata is divided into different sub phyla. These are known as the urochordata, cephalochordate and vertebrata. They all have different features and they are described below. The urochordata…
The agnatha are also known as the jaw less vertebrates. They do not posses jaw and are primitive type of organisms. They have notochord throughout their life. They are cold…