Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably. Most of our natural resources like air, water and soil have gone bad due to pollution of different types. What is pollution?
Forests and wildlife are integral part of environment. Forests control climate, soil erosion and wildlife. They cause rains.
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant parts, body parts of dead animals and animal wastes. As biomass is created due to photosynthesis by plants, so energy from biomass or bio wastes is regarded as another form of solar energy.
Ans. Specific enzymes are needed for degradation of substances. A single enzyme cannot degrade many substances. Different types of microorganisms…
It is now a general opinion that if we see something moving, it is alive.
As per an assessment, about 600 million people inhabited urban areas of the world in the year 1950. But now urban areas have been recorded to be inhabited by about half of the total population.
The scarcity of oxygen and the need of producing more and more oxygen! We may think for sometime about it. But, anyone knows that life is not possible without it.
Environment may be defined as ‘Complete range of various sets of external conditions comprising- physical, biological, and for human beings- cultural, economic and political conditions; in which human beings and other life forms exist in continuous interactions among themselves.
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.
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Living beings have many processes in common. Among all the common processes there is one very interesting and wonderful process…
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.
