Quick Answer. Amplitude in an oscillating system is the measure of change with each oscillation within the system and is a general indicator for the amount of energy contained in a wave. For example, the amplitude of a sound wave is a measure of its volume.
The Sumerians were the first Mesopotamian civilization. They lived in independent walled city-states. Uruk, the first and one of the largest cities in Mesopotamia, had a six miles long wall with defense towers located at 30-35 foot intervals.he Sumerians were the first Mesopotamian civilization. They lived in independent walled city-states. Uruk, the first and one of the largest cities in Mesopotamia, had a six miles long wall with defense towers located at 30-35 foot intervals.
The Amorites were members of this ancient Semitic-speaking people. The invasion of these nomadic people, called Amurru by the Akkadians and Martu by the Assyrians, was described as coming from the northwest. They were prominent in Mesopotamia, Syria, and Palestine in the early centuries of the second millennium BC.