Dependance on Agriculture and engagement in long-distance trade is what I would say. A and E, no pun intended
<span>Morse Code is a method of transmitting text information. It's a series of tones, lights or clicks that can be understood by a listener of observer without needing expensive equipment.</span><span> </span>
<span>Hope this helps you. :)
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Anthropology- the study of the human race
Scientific method- the process and procedures by which we acquire information
Cuneiform- symbols that were used to represent objects
Hieroglyphs- symbols used to represent sounds
Linguistics- the stud of languages
Petroglyphs- pictures carved out of stone
