Biogas is a mixture of 56% methane gas (CH4), 40% carbon dioxide (C02) and rest, a mixture of H2, H2S and N2. It is produced by digestion, Pyrolysis and hydro gasification in a specific plant called as Biogas Plant. Biogas plants are of various types like — Janata biogas plant, Dean Bandhu biogas plant, Khadi and Village Industries Corporation (KVIC) type biogas plant, Pragati Design biogas plant and Chinese biogas plant.
Most of the animals have a network of very fine filamentous or threadlike structures which exchanges information. These structures are called as nerves.
Land-filling is the process of disposing solid waste in low lands or into trenches through proper sanitary methods. It involves- collection, transport, compaction, etc. processes along with proper management for gas-outlet etc. For land filling, the important thing to be taken into account is the distance of waste collection site to the waste dumping site, because it involves cost of transportation.
In view of offering right price to vegetable growers and making their business free from mediators, the Government of Jharkhand (India) is in a mood to fix Minimum Support Price (MSP) for vegetables from this year.
The mechanical process of breathing involves inspiration and expiration.
The Environmental Calamities that shook the humanity during fifties and sixties were powerful enough to generate serious and widespread sense of responsibility among world nations towards the global environment. Some of these calamities include : The killer smog in New York and London which claimed 5000 lives in 1952; The mercury poisoning due to the consumption of mercury-contaminated seafood in Japan;
The scientists of Punjab Agricultural University (PAU), Ludhiana worked for ten years to develop a new High Yielding Variety of onion entitled POH-1.
According to their physical make up, there are basically two types of animals- Vertebrates and invertebrates. Invertebrates are those animals that don’t have a vertebral column or backbone. On the other hand, Vertebrates are those animals who have a vertebral column or the back bone.
Jaggery is a traditional sweet of India. After the appearance of sugar in Indian markets, its use was slowed down for some decades. But now it is being used in urban areas also. It is reported that jaggery contains many medicinal properties and it is full of nutrients.
The process of recovering or reusing usable materials from discarded waste is called recycling. For example, about 15 per cent of Sulphuric acid is recycled in chemical manufacturing. In the early days, all the sulphur needed for the production of sulphuric acid was taken out of mines directly. But now, with the prevailing tendencies of recycling, sulphuric acid manufacturing industries are using sulphur from smelters, refineries, etc.
Ever since the earth was inhabited, humans and other life forms have depended on things that exist freely in nature to survive. These things include water (seas and fresh water), land, soils, rocks, forests (vegetation), animals (including fish), fossil fuels and minerals. They are called Natural Resources and are the basis of life on earth.
It has become a common thing to take phone in hand always.
