science and technology

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 exploited. There is a need for optimisation of its usage. This is possible only when we adopt the concepts of management and conservation of natural re..

Management and Replenishment of Natural Resources - With the exponential increase in human population and increased technological advancement, the natural resources are getting relentlessly exploited. There is a need for optimisation of its usage. This is possible only when we adopt the c..

Minerals - 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 ar..

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..

Our natural resources are our assets whose prudent and sustainable use is necessary for the well being of humans and other living other organisms. Unfortunately, the continuous and ever increasing demand for basic items of survival and technological developments have caused us to explore..

Coal and Petroleum - 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 year..

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 source. It is thus debatable as to whether any source of ener..