Technological Evolution in 20th century
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
innovation
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Recycling and Paper Industry
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.
Governments Slow on Purchase of Rice
By this first week of December, paddy is coming home from fields in most of the states of India. In spite of claims of Government’s preparations on ground levels are still incomplete. Agencies have been reported to interfere in the process. They are pretending that they are unwilling to purchase rice due to more than 17% moisture in grains
Domestic and Wild – animals
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.
What is Ozone layer? How is it depleted and what are the control measures?
Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.
The Strange Bioinsecticide: The Ladybird
Ladybird is one uncommon compound word made by the union of two simple common words – Lady and Bird. But,…
Nerium oleander a drought resistant plant
Nerium oleander is commonly known as Oleander or Nerium. It is a shrub cultivated in sub-tropical and temperate areas as ornamental or landscaping plant. In India it is currently grown along highways and gardens.
Conditions of Power Supply in Jharkhand
Everyone has stated experiencing heat with the start of changes in season. Everyone has started feeling need of fans, air conditioners, coolers and refrigerators. Walking of people outside houses has become still due to partial lockdown of corona phase 2 lockdown. Under these conditions people need electricity supply for rest and recreation.
Why Do Some Birds Migrate?
Birds that travel from one place to the other place are called as Migratory Birds.
Transfer of Food through Ecosystems
All biosphere ecosystems have well-organized functions, such as cycling nutrients through food chains, operating biogeochemical cycles, and maintaining the energy flow received by green plants through solar radiation.
