Is animal bones with long grooves a sign of early humans?

Somebody save the ! what was greek math and science also medicine

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.

Many people believe that was influenced by the panchatantra. aesop the romans buddha chandragupta ii