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Classification:
There were many similarities between things or phenomena which led to their classification. The first classifications were in terms of beings (the living), things (articles and substances, or non-living) and passions or actions. Here arose a kind of descriptive reasoning; if one of a class behaved in a particular way, it was likely that the other in the same class also behaved in the same way. Thus, the accumulation of knowledge and sifting of experiences had major impact on primitive biology and chemistry. Match the three general elements or features of science listed in column I with their associated techniques or practices in column 2 of the table given below. We have done one part of the exercise 'as an example.
So far, we have seen that the primitive society had developed a host of techniques for their material comfort. Archaeological records show that towards the end of the Stone Age, primitive human beings were using many facilities such as huts. sewn garments, bags and buckets. They had also evolved technical devices like canoes. hooks and harpoons, spears, slings, throwing sticks, boomerang etc(Fig.). Many of these are actively being used among some present-day tribes such as the Eskimos, African Bushmen, Australian aborigines and some Indian tribes.
Q. Symptoms and Complications of atherosclerosis? Symptoms Excessive weight, hypertension, high levels of cholesterol and triglycerides. Complications Myocardia
Hydralazine is a potent arteriolar dilator and markedly increases cardiac output in patients with congestive heart failure. However, as a single agent, it has not been shown to imp
Oceanic islands are interesting and somewhat specialised biomes. Islands which have broken away from the main continents have similarity of flora and fauna related to the continent
Evolution of vertebrates and invertebrates nervous system
Contra Indication : It is absolutely contra indicated if their is more than trivial aortic regurgitation. Aortic aneurysm and severe aorto iliac disease are also contra indicatio
Define the Food Pricing? The pricing of the food products bought by the consumer is subject to multifarious factors. Each of the factors as discussed below can affect the prici
What happens to respiratory system in a man going up a hill?
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With the development of electron microscopy, it was possible to have an in depth knowledge of the interface between the implant and the tissues. Branemark was the pioneer in the fi
Q. What is the structure of the adult fern within which cells undergoing meiosis can be found? In these plants meiosis takes place within structures known as sorus (plural, sor
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