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This is an example in which a man can hold his umbrella properly by making use of the concept of relative velocit..

Intentional or chance introduction of exotic species into new islands or countries by man adversely affects the native species. Example: Rabbits and goats introduced in Pacific and Indian ocean islands are destroying the habitats of many native plants, reptiles and bir..

A business man estimated that the average business traveler will spend more than $180 per week on calls. A sample of 20 business travelers are selected at random and their mean expenses was found as $185 with a standard deviation $15. Find the test value at α = 0.10. Is th..

Which of the following represents the concentration of the base in the new mixture as a function of x , when x mL of pure base is added to 180 mL of a 40% base solution? => C ( x ) = x - 7 2 x or C ( x ) = x x + 7 2 or C ( x ) = x + 7 2 x or C ( x ) = x x - 7 2..

A business man wants to know the likely cost of a new contract based on the data collected from the contracts of the previous years. Determine the equation of the regression line for the data and predict the value for y ′ when x = 30. Years 2000 2001 2002 2003 2004 No.of e..

Organic evolution not only creates new species but also eliminates some old ones. Many species became extinct before man appeare..

The exact number of somatic chromosomes in man was not known till 1956. New techniques of staining chromosomes have revealed the exact number and this have greatly helped the study of human genetics. Using the karyotyping techniques the form, shape and size of all the 23 pairs o..

Earth is an abundant source of material. Man has intensively studied the properties of these materials extensively and found new methods of using them. The air we breathe, the water we drink, stones and rocks, almost everything that is around us, are all useful to man..

New individuals are produced from a single parent without the act of fusion of gametes. The new individuals so formed are generally identical to the parent plant, as only mitotic divisions take place during their development. Regeneration of new plants from portions of..