hazards of nuclear war

The first and only atomic bombs were used in war was in 1945 when Hiroshima and Nagasaki were devastated. Widespread destruction and damage were produced immediately by the blas..

. The feelings of enmity, hatred, jealousy and greed that cause war have still remained. Children have become orphans, people maimed, entire cities have been destroyed, large areas of fertile agricultural land have been laid barren, many have become refugees, large numbers have lost their..

A good source of energy should have the following characteristics: It should do a large amount of work per unit mass or volume - it means that the output energy must be more than the input energy. It should have high calorific value. It should be easily accessible - the energy source should b..

Debate Script - You are participating in an interschool debate competition. The topic is 'Wars Always Create More Problems Than They Solve'. Here are some points for and against the proposition. Use them and your own ideas to write out the debate script. For Against No one wants it, but i..

Summary - Environment is defined as the surroundings in which the organism lives. It has two components - abiotic and biotic. The abiotic environment includes the air (atmosphere), water (hydrosphere) and land (lithosphere). The biotic environment includes the plants, animals and the microbes. The ..

. In the nuclear-winter scenario, the explosion of many bombs would raise great clouds of dust and radioactive material that would travel high into the Earth's atmosphere. These clouds would block out sunlight, lower the surface temperature of the planet and reduce photosynthesis by plant..

Natural Resource Types of misuse/ecological problems I Ecological Resources Excessive mining Loss of forest area (if mines are in forest) Displacement of population and their profession Loss of agricultural lands (if resource is in cultivated land) Dumping..

. He was awarded the Nobel Prize in 1908. The famous words of Rutherford on completing the alpha rays scattering experiment were: 'It was quite the most incredible event that has ever happened to me in life. It was almost as if you fired a 15 inch shell into a piece of tissue paper and it came back..