risks and benefits of science and technology

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

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..

>Rainwater harvesting can be surface runoff harvesting or roof top harvesting. Both collect rainwater runoff from surfaces to direct it into open tanks or wells to recharge subsurface aquifers Fossil fuels like coal and petroleum are extremely important energy resources which are getting exhausted ..

Everything that we use or consume - food, clothes, vehicles, tools, petrol, furniture, medicines, books, toys, and the infrastructure of electricity, roads bridges, and buildings are obtained from resources on this earth. The only thing one gets from outside is the sun's energy and even this is co..

The risk of total crop failure due to uncertain monsoon is reduced if two crops of different nature are grown simultaneously as a mixed cro..

The kidney slowly deteriorates and stops functioning. The symptoms are water retention, acidosis, anaemia and increase in blood urea leve..

Bio-mass - BIO-MASS 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-mass. Cow-dung, various plant materials like the residue after harvesting the crops, vegetable waste and sewage a..

Species that are not presently endangered or vulnerable but are at risk e.g., Indian egg eating snake, Indian pied hornbill and golden cat fall in this categor..

One crop component requires more nutrients and the other requires lesser nutrients. Mixed cropping is done to reduce the competition between component crops for light, nutrients and water. If one crop fails due to shortage of moisture or insufficient availability of nutrients, the other crop can c..