global populations

Harmful results of Greenhouse Effect is global warming. While the green house gases enable life to exist, problems arise when the atmospheric concentrations of these gases increase. All climate changes up to the industrial revolution occurred naturally as very few gases were released by ..

Summary - The basis of life on earth is atmospheric cover on earth and natural cycles like carbon, oxygen, nitrogen and hydrological cycles. Atmosphere is evolved in its present form due to sunlight and rotation of earth on its axis. Many environmental changes like change in rainfall pattern, rise ..

Summary - Asia has 60% of global population and continues to dominate the global population in next 50 years. Some countries in Europe have negative or zero growth of population. In India, U.P is a populous state but density of popula..

A British economist Malthus'(1778) proposed a theory that population grows at geometric proportion and after the imbalance between population and resources is set in, population is automatically checked by natural disasters (like famine, epidemic, disease, earthquake,..

Asia has 60% of global population and continues to dominate the global population in next 50 year..

Asia has 60% of global population and continues to dominate the global population in next 50 years. Some countries in Europe have negative or zero growth of population. In India, U.P is a populous state but density of populati..

Question: Name any four environmental problems faced by today's world. Answer: Four environmental problems being faced by today's world are: 1) Population explosion 2) Pollution 3) Global warming 4) Soil erosi..

With global population growing by the day, birth control has become essential. There are drugs that control ovulation and if regularly consumed, function as effective contraceptives. Some examples of birth control pills are orthonovum and Enovid. Orthonovum is a mixture of noret..

Anti-fertility Drugs - With global population growing by the day, birth control has become essential. There are drugs that control ovulation and if regularly consumed, function as effective contraceptives. Some examples of birth control pills are orthonovum and Enovid. Orthonovu..

Biotic Potential - It is defined as an inherent capacity of females to conceive and deliver babies in their reproductive life. It is also called as fecundity. This varies largely from individual to individual. It is usually studied on mean basis for the entire population. The study of bio..