User:Sakthikandhavel/sandbox

= ORIGIN OF EARTH =

==== The history of humans were closely related to the history of earth. The fossil bones of the human ancestors are embedded in the earth's layers. PALEOANTHROPOLOGY- [ the study of human ancestors and their evolution by fossil remains]. ARCHEOLOGY- [the study of humans passed through the analysis and interpretation of material remains].ASTRALOPITHECINES-[they were apes from which the mordern humans evolved] paleoanthrapologists and archeologists excavate soil and rock layers on the earth and extract evidence about  humans ancestors .these layers and the fossils are scientifically dated to study the various stages in human evolution The earth was formed approximately about 4.54 Billion years ago .1 BILLION=100 crore,1MILLION=10 lakhs ====