The people of Sumer are among the earliest denizens of Mesopotamia. By about 4000 BCE, the Sumerians had organized themselves into several city-states that were spread throughout the southern part of the region. These city-states were independent of one another and were fully self-reliant centers, each surrounding a temple that was dedicated to god or goddess specific to that city-state. Each city-state was governed by a Priest King.
The approvals of the Senate, the House of Representatives, and the President is needed for a bill to become a law.
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The 2nd one: What social skills are built by playing sports.
Answer: Scientific Method
Explanation: The scientific method is used across many fields of study to make observations, evaluate ideas and postulate theories. It is the way scientists establish a fact. The aim of the scientific method is to differentiate facts from opinions or gut instinct such that a fact is true universally. To do this, an observation goes through several processes and may be proven by several experiments, and peer reviews before it can be declared a fact.