Useful information on the evolution of man
It is an Oligocene fossil. It was excavated from Fayum province of Egypt. The animal has size of squirrel. It is believed to the ancestors of old monkey.
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What are the useful methods of Hazardous Waste Management ?
Hazardous wastes have become an important environmental and public health issue which concerns many countries in the world. In the modern framework of hazardous waste management, a four pronged strategy has been adopted:
Useful facts about chemistry and its importance
The scientific method consists of the systematic steps taken to solve problems. The scientific method consists of a. identifying the problem, b, collecting information, c. hypothesis, d. carrying out experiments to test the hypothesis, e. forming a theory on the basis of the hypothesis, and f. applying the theory.
Useful facts about the basics of Chemistry?
Grouping together of matter with similar properties is called classification. Classification makes the study of matter easy, systematic and more scientific. Elements and compounds are pure substances. Mixtures are impure substances.
Useful facts about States of Matter
A material is any substance, which is used to make an object. Materials are made up of different types of matter. Materials can be natural or man-made. Molecules are compactly arranged in solids, loosely packed in liquids and are far apart in gases.
Useful facts about properties of Matter
The properties of matter are the characteristics, which help us to identify them. Matter has both chemical and physical properties. Chemical properties describe how a substance reacts chemically with another. They deal with the molecular composition of matter.
Useful facts about Separation of Substances
The constituents of a mixture are not present in a fixed ratio. No chemical reaction takes place amongst the constituents of a mixture. Mixtures are of two types—homogeneous and heterogeneous.
10 Useful facts you must know about Air
Planting trees, taking measures to reduce smoke and pollutants in factories, and using catalytic converters and unleaded petrol in automobiles, are some ways of reducing air pollution.
12 Useful facts you must know about water
Water occurs in nature and nearly three-fourths of the earth's surface is covered with water. The constant movement of water from the earth to the air and back to the earth is known as the water cycle.
Useful facts about local health care agencies
Useful facts about local health care agencies :- The government has set up many agencies to offer health care to people at a nominal cost, the basic health care unit that exists in every village and small town is a Primary Health Centre and etc.