Purpose in Life ! #shorts Billion Dreams status

1 billion is equal to

The universe is about….. Billion year old

During the long period (gt 3 billion years) since the origin and diversification of life on earth there are how many episodes of mass extinction of species

Name the alloy used for (i) decoration purposes (ii) Making statues (iii) making gears and bearings (iv) welding electrical wires (v) Making printing types

Assertion :- The rate of appearance of new forms is liked to the life cycle or the life span of organisms. Reason :- The organism with short life span have ability to produce more progenies in shorter time and that have chance to more expsure with nature.