1.

Fill in the blanks:1. Tools like the hand-axe and cleaver were made by ……… 2. Homo erectus could……………… visualize his tools even before he actually shaped them. 3. The Neanderthal Man made further ……….. in tool – making techniques. 4. Homo sapiens brought about a ….. in the technique of making tools. 5. He devised a technique of obtaining long and narrow ……….. of stone.

Answer»

1. Homo erectus 

2. mentally 

3. progress 

4. revolution 

5. blades



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