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Describe the pattern of the graph of the situation. "The value of a ca..
Describe the pattern of the graph of the situation. "The value of a car from the time it was purchased as a new car to the time it was traded in 5 years later." => Decreasing and then increasing or Increasing and then decreasing or Increasing or Decreasing..
International System of Units
In 1960, the Eleventh General Conference of Weights and Measures recommended an International System of Units (abbreviated as SI) based on the metric system of measurement. When the recommendation was accepted in 1968, it marked the first time in world history that a single system of unit..
SI
It is a new system introduced by General Conference of Weights and Measures in 1960. It is called "Le Systeme International d' Unites..
Green Chemistry
. The green chemistry programme is now a world wide effort of many governments, academia, scientific societies, industry, trade organizations, small business, non government organizations, research centers and other government agencies to promote the use of chemistry for pollution prevent..
Causes of Extinction of Wildlife
Wildlife species may become totally extinct if no measures are taken to protect them. Some of reasons for extinction of wild life are. a) Destruction of their natural habitats - by environmental pollution, deforestation, soil erosion, overgrazing, increased urbanization, forest fires, and developme..
Efforts for wild life protection
1) The Indian Board for wild life (BWH) was established in 1952 to look after the country's wild life. 2) Since 1955, wild life week is observed every year to educate the people about the need to protect the environment. 3) Trade in rare and endangered species has been banned under the w..
Enthalpy
The change in internal energy gives the heat change accompanying a chemical reaction at constant volume. However, most of the chemical reactions carried out in laboratories, are open to normal atmospheric conditions. A chemical reaction in a laboratory may incur change in volume but the p..
Introduction
The development of Boolean algebra is a more general theory of set theory and mathematical logic. An English mathematician, named George Boole invented this new kind of algebra which analyses logic mathematically. This Boolean algebra provided a basic logic for operation on binary ..
Conservation Strategies
) The species and ecosystems should not be exploited beyond their productive capacities. f) International trade in wild plants and animals and their products should be regulated by law. i) Protected areas should be set up to preserve the habitats of migratory animals, exploitati..
Boolean Algebra
An English mathematician, named George Boole invented this new kind of algebra which analyses logic mathematically. This Boolean algebra provided a basic logic for operation on binary numbers 0, 1. Since computers are based on binary system, this branch of mathematics is found to be..
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