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Management of Forest Resources:
Considering the ever growing demand of wood and realising the importance of conserving our forest resources, it has become necessary to find alternative fuels as well as raw materials to manufacture paper, sports goods, packing cases, furniture and beams used in buildings. Research is going on to discuss alternate sources; in some cases, plastics and composite materials have been developed, though they are not widely used as yet. The other way is to cultivate quick growing trees and herbages in large numbers in selected farms of degraded or wastelands. This will provide us fodder, fuelwood, timber, fruits and seeds. If deforestation has to be stopped. some necessary steps have to be taken:
i) adoption of a scientific method of harvesting forest stocks,
ii) developing a mechanism of monitoring forest growth rate and depletion,
Procedure : A mock fire may be created by spilling a flammable liquid like alcohol, petrol etc. and lighting it at a safe place away from the equipments and working benches. Th
Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
In the following table state how gymnosperms are adapted for living on land with respects to each of the following aspects Aspect Adaptation for living on land Alternation of Gener
Everything on electrolysis
Visible and Invisible Radiation: Light is very much a part of our existence. Without it we cannot see; It Iends colour to the world around us. Light is also termed as visible
REGULATIONS CONCERNING SAFETY AND HEALTH OF WORKERS IN INDUSTRIAL LABORATORIES The workers in industry engaged in using or producing chemicals, coal, high temperature, intense
INTRODUCTION : You may find this exercise as a practical illustration for the procedure generally followed in the disposal of unserviceable and obsolete items in a laboratory. It
ray optics
Why does a glacier move? It moves due to the huge pressure of the ice and snow lowers the freezing point of its lower layers, causing by to melt.
what is a fossil fuel
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