rise of nations increase population limit

India is the best country to study the consequences of over population. Geometric growth in population has pushed our country into population explosion leading to number of serious consequences. Some of them are: Decreased availability of food and clothing. Decreased p..

Let us consider mass m of a gas. Let Q units of heat raise the temperature of the gas through D T. Then the specific heat of the gas is given by Consider a gas enclosed in a cylinder which is fitted with an airtight and frictionless piston. (i) Let the gas be suddenly compressed. In this case, no h..

Population of a country should grow reasonably to match with growth in its gross domestic product to maintain the existing standard of living. Reducing growth or negative growth in population may be desirable if the standard of living should increase by more favourable..

. Sigmoid growth curve is formed of five phases. a) Lag phase b) Positive acceleration phase c) Logarithmic or exponential phase d) Negative acceleration phase e) Stationary phase. a) Lag phase - Period where individuals adapt to the new environment. b) Positive acceleration phase - Period of slow ..

This region extends up to 50 km above the Earth's surface. The upper limit of this region is called stratopause. This is a region of ozone activity and is known as ozonosphere. It is characterized by increase in temperature with increase in altitude. The rise..

Population grows in geometrical proportions but food grows in only arithmetical proportion. With the ever increasing demand on food grains, fodder, fibre, vegetables, fruit, sugar and oil, there is an urgent need to increase crop production, as our land resources are ..

Pollution of the environment is a major global problem of today. It is heartening to note that in the last 25 years or so, scientists and environmentalists have created a great deal of awareness on environment pollution. Several national and international laws and charters and institution..

? One has not anticipated some of the impacts of industrial and technological advancement. When the industrial revolution started some 250 years ago, the world population was at 600 million - that seems like a lot of people but now the world population is now almost ten times at..

Question: Madan has to speak in a debate supporting the proposition - 'The Best Minds are Required in the Teaching Profession'. He jots down a few points before writing his script. Using his notes, complete his debate script for him. Do not add any new information. Notes Literacy -di..

Transport facility created for the convenience of human beings is a great source of air pollution as all the transport vehicles burn some kind of fuels and emit dangerous gases. The extent of gases produced by an individual vehicle may be less. But, when large number of vehicles are used - the air ..