Play as a way to Social Negotiations
Play is a powerful tool that can be applied for social negotiations.
Play is a powerful tool that can be applied for social negotiations.
Introduction to Nuclear Family A nuclear family is a small family unit consisting of parents and their children. In modern…
An activity that serves as one’s regular source of livelihood is called as occupation
Earlier women had to do most of the work in household. But, the trend is changing now. Both men and women have to do all the work now. The Inequality at the work place is vanishing now.
Animals are of different types and varieties. The world of animals is most amazing
Ans. Specific enzymes are needed for degradation of substances. A single enzyme cannot degrade many substances. Different types of microorganisms…
Waste too is found in three states- solids, liquids and gases. Liquid wastes such as different types of chemicals, useless medicines, detergents, pesticides, oil, automobile wastes etc. spread on the soil surface and make it poisoned. Decomposition and burning of things on ground produce different gases that pollute the air.
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
Sun is the only source of energy in the biosphere. Every living being can get its share of energy through food only and the energy is directly or indirectly obtained from green plants only.
Human activities have never been friendly to environment. The remains of Mohenjo-Daro and Harappa signify that the civilization ended due to desertification which might had been caused by large scale deforestation. Still today impacts of such human activities have started appearing. Hence it is essential that we manage our natural resources properly.
A Pesticide is a chemical substance of natural or synthetic origin. It is applied in different forms to kill pests. Pests are living organisms that tend to harm humans, their crops and animals or have a tendency to disturb general household and living conditions. Some organisms can also be applied to kill pests. These organisms are called as biopesticides. On the other hand, pesticides that are synthesized in factories are called as synthetic pesticides.











