8. Rocks have been used by people (humans) from prehistoric times; however the usage of these rocks has changed drastically during the course of human life. Discuss usage of rocks in prehistoric and modern time to illustrate the difference. Give atleast two examples from each era.
Answers
Answer:
d
Explanation:
hts5g8rdy7f maderchod and introduced the Trum
Answer:
LOAD PREVIOUS PAGE
Technology in the ancient world
The beginnings—Stone Age technology (to c. 3000 BCE)
The identification of the history of technology with the history of humanlike species does not help in fixing a precise point for its origin, because the estimates of prehistorians and anthropologists concerning the emergence of human species vary so widely. Animals occasionally use natural tools such as sticks or stones, and the creatures that became human doubtless did the same for hundreds of millennia before the first giant step of fashioning their own tools. Even then it was an interminable time before they put such toolmaking on a regular basis, and still more aeons passed as they arrived at the successive stages of standardizing their simple stone choppers and pounders and of manufacturing them—that is, providing sites and assigning specialists to the work. A degree of specialization in toolmaking was achieved by the time of the Neanderthals (70,000 BCE); more-advanced tools, requiring assemblage of head and haft, were produced by Cro-Magnons (perhaps as early as 35,000 BCE); while the application of mechanical principles was achieved by pottery-making Neolithic (New Stone Age; 6000 BCE) and Metal Age peoples (about 3000 BCE)