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Maximum life span is the maximum number of years survived by any member of a species. Average life span is the average number of years survived by members of a population. Life expectancy is the number of years an individual can expect to live. It is based on the avera..

Steps in the Origin of Life - The earth when it was formed about 4.8 billion years ago, was a hot revolving ball of gas consisting of atoms of various elements. Heavy elements such as iron and nickel were found in the center while comparatively lighter ones like those of alumini..

The earth when it was formed about 4.8 billion years ago, was a hot revolving ball of gas consisting of atoms of various elements. Heavy elements such as iron and nickel were found in the center while comparatively lighter ones like those of aluminium and silicon formed the middle l..

Secondary suffix is used to indicate the function group in the organic compound. Secondary suffixes for various functional groups are given in the table below. Family of organic compounds Functional group Secondary suffix IUPAC names Trivial names ..

. Important Vaccines for Babies and Children Vaccine Disease Age Group Safety DTP-Hib Diphtheria, Tetanus, Pertussis (whooping cough) and Haemophilus infiuenzae type B All babies of 2,3 and 4 month age Between 90 and 99% Hepatitis B Hepatitis All babies whose mothers or close family have ..

10 - 2 One minute 10 2 One day 10 5 One year 10 7 Average life spanof a human being 10 9 Age of earth 10 17 Life of Sun 10 18 ..

Oxygen, sulphur, selenium, tellurium and polonium constitute the group 16 of the periodic table of elements. The first four elements are collectively called CHALCOGENS. The name derives from the Greek word for bronze and points to the association of sulphur and its congeners with copper. All ..

The electropositive character of an element is expressed in terms of the tendency of its atom to release electrons: All the alkali metals are strongly electropositive or metallic in character, since they have low ionization energies and their atoms readily lose the valence electron. As the ion..

Born in San Francisco, Frost spent most of his adult life in rural New England and his laconic language and emphasis on individualism in his poetry reflect this region. He attended Dartmouth and Harvard but never earned a degree, and as a young man with a growing family he a..

Gas Relative %age Volume Nitrogen (N 2 ) 78.09 Oxygen (O 2 ) 20.93 Argon (A) 00.93 Carbon di oxide (CO 2 ) 0.032 Miscellaneous 0.02 Total 100.000 Oxygen is present in the first zone, 10 to 12 km from the surface of the ea..