Explain how ancient egypt was isolated from other culture by natural borders

On one side it had the Nile which was difficult to cross if the Egyptians didn't want people to cross it. On two sides there was a desert and one the north there was the sea. If Egypt wanted to isolate itself or be defensive in a war it had no problems doing so. It could easily restrict access of foreign cultures.

those sounds of the natural world are bioacoustics, and they're more than a false-color spectrogram of data from the musiamunat conservation area.

when your a dog and you need a bone.   go and eat a rabbit