economic water

Choose the matrix which shows the test scores of three students A, B and C. A : Zoology 8, Geography 11, History 13, Economics 18. B : Zoology 11, Geography 13, History 15, Economics 20. C : Zoology 15, Geography 13, History 18, Economics 23. => Z G H..

A civil engineer in U.S. earns an average annual salary of $40,280 as reported in an economic survey. The mean salary of a sample of 20 civil engineers was found to be $40,000 with a standard deviation of $353. At α = 0.05, what is the test value? Is the survey report true..

1) They produce food for all organisms 2) They provide beneficial substances like drugs, tannins, fibres, rubber, vegetable oils, fuel, condiments. 3) Some plants contain alkaloids which check growth of cancer cells. Example: Rosy periwinkle. 4) Plants release O 2 , c..

Animals reduce water loss from their body. For example, the kangaroo rat conserves water by creating solid urine and can love without drinking water. Camels are very economical in temperature and can maintain blood stream moisture even in extreme hea..

A biosphere reserve preserves a) wild population b) life style of tribals c) genetic resources of domesticated plants and animals. It helps in 1) conservation 2) promotes economic development 3) Scientific research, monitoring and educati..

Apart from the salts which flow down to the sea waters due to weathering of the rocks, a variety of sources, such as land and sea volcanic activity, seismic activity, deposit large amounts of minerals and metals in the ocean. Some of these dissolve in the water and may rest at t..

a) It makes possible propagation of plants that have lost their capacity to produce seeds. E.g., banana, rose b) Plants like Bermuda grass (Cynodon dactyoln) which produce only a small quantity of seeds are propagated vegetatively. c) It is a more rapid, easier and cheaper method. d) The plants pr..

While modern day farmers specialize in one agricultural sector, either dairy or growing potatoes, their predecessors kept a wide array of farm animals and planted many different kinds of field crops. Their farms were remarkably self sufficient, producing eggs, meat, milk, vegetables and grains for ..

Mixed Farming - While modern day farmers specialize in one agricultural sector, either dairy or growing potatoes, their predecessors kept a wide array of farm animals and planted many different kinds of field crops. Their farms were remarkably self sufficient, producing eggs, meat, milk, vegetables..

Similarly, India is bestowed with 7520 km of coastline with 20 lakh square km of exclusive economic zone for fishing around coastline. High priority is being offered to marine fisheries development with the support for production, marketing, canning the fishes as well as offerin..