you will love this quality of work - 93307

Solution Detail
Price: $15.00
  • From: ,
  • Posted on: Wed 16 Sep, 2015
  • Request id: # 77797
  • Purchased: 0 time(s)
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Request Description
Solution Description

Since the evolution of humankind on earth the human beings on the earth have remained a witness to a large number of technological innovations. As our needs grew, we kept looking for new technologies to make life for us simpler. The main technological innovations of the prehistoric times include making of stone tools, invention of wheel and the discovery of fire. Stone tools, wheel and fire were the three biggest technological innovations of the early phase of human evolution and development. These innovations made life a lot simpler at that time when men had to live in caves and get their food by killing wild animals. Initially the tools used for killing wild animals were not sharp and stones or weapons shaped like clubs were used to kill animals. The best gift of mankind is its innovative mind. Men soon started thinking of better weapons which could be used to kill the animals. In this way sharp and pointed