Question

for what purpose do you think the earliest people used the stone tools in the palaeolithic period?​

Answer 1

The Paleolithic era is characterized by the use of stone tools, although at the time humans also used wood and bone tools. Other organic commodities were adapted for use as tools, including leather and vegetable fibers; however, due to their nature, these have not been preserved to any great degree.


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Answer 2

Answer:

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Explanation:

12. A block of mass 50kg is moving on a rough

horizontal floor (Ux = 0.4) under the action of a

force 2002N directed at 45° to the horizontal.

If the block moves 3m, what is: Mamel.

(1) The work done by applied force, frictional

force, gravity & normal reaction.

(D)q Total work. (g = 10 m/s2)

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