The increasing Human Population is putting immense pressure on Resources
A population is a group of individuals of a particular species occupying a particular area at a specific time.
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Fossil fuel combustion and effect on ecosystem and human health
Fossil fuels- coal, petroleum and natural gas, are sources of energy and lots of useful substances. They have been and still they are the back bones of the economic developments and the basis of the modern civilization.
Study of Environment
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.
Dwindling Migratory Bird Population in Saranda
The Romance Sanctuary of Characters of Mahua Maji’s Novel- “Marang Goda Neelkanth Hua” the Saranda Forest of Jharkhand is also an undeclared Bird Sanctuary of Numerous native and Migratory Bird Species.
What is respiration and how is it different from breathing?
The digested food is absorbed into the body from where it is distributed to all its cells.
A Novel Scheme for Retiring Teachers in Jharkhand
“Pension Aapke Dwar” or the “Pension at your doorstep” is a novel scheme of providing Pension to retiring School Teachers on the Date of their retirement in Jharkhand.
Advantages and Disadvantages of a Nuclear Family
Introduction to Nuclear Family A nuclear family is a small family unit consisting of parents and their children. In modern…
Reproduction and Variations
Living beings develop their population through reproduction. But reproduction is the process through which different traits appear in living beings. Variation is essential for evolution
Biodiversity, Its Concept, Values, Loss, and Causes of Loss
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.
All about wind energy
The Wind is Air in Motion. It is caused by differential heating of land, water, hills and mountain slopes by sun rays. About 25 % (i.e., 0.34 KW/m2) of incident solar radiation is dissipated as wind energy. There is kinetic energy in wind.
Technological Models
Recently, it has been found that Photo Voltaic Cells cannot be popularly used for power generation on large scales. However, our scientists have discovered that the alignment of Carbon Nano Tube with the polymer composites substrate would give very high efficiency in Photo Voltaic Conversion.
Local and Global Effects of Pollution
On the local and regional levels, air pollution creates various types of problems against living and non- living environment. In the living environment it causes different types of physical, physiological and mental diseases.
