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Renal Failure and Technology for Survival - The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometime..

The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea level. You have learnt how important the kidneys are for survival. Though kidney failure is not common, sometimes kidney infection, injury to kidneys or restricted b..

Given the large live-stock population in India, we can use this fuel as a steady source. These fuels are obtained from plant and animal produces, so it is called bio-mas..

With the exponential increase in human population and increased technological advancement, the natural resources are getting relentlessly exploite..

The energy source that we actually choose depends on various factors like the cost, the ease with which it is available, the efficiency of the technology available and the environmental damage that will be caused by using that sourc..

Earth's crust is rich in inorganic materials . It includes ores, that are used on a large-scale to yield metals such as iron, aluminium, copper, tin, nickel, silver, gold, platinum etc. These minerals are very useful in industrial and technological growth. Some of the metals are used as c..

E-waste What contributes to e-waste? Discarded electronic devices like televisions, personal computers, floppies, audio-video CDs, batteries, electric switches, telephones, air conditioners, cellphones, electronic toys, refrigerators, washing machines, dryers, kitchen utensils and eve..

Question: What is the cause of over exploitation of natural resources? Answer: To meet the demands of increasing population, the land is continuously be cleared and converted to grow more food up and to make dwelling places. The industrial and technological revolution and conse..

Atoms are infinitesimally small. Smaller than any thing we can imagine. One hydrogen atom, the smallest atom known, is approximately 5 x 10 -8 mm in diameter. To put that in perspective, it would take almost 20 million hydrogen atoms to make a line as long as this dash ' - '. The extremely small si..

Fossil fuels, like, coal, lignite, petroleum and natural gas are non renewable natural resources. Both have an organic origin and are called hydrocarbon fuels. Coal was formed in nature as a solid from the remains of the trees buried deep inside the earth, some 500 million years ago. The more ..