The most impressive surviving archeological remains of the sumerians is the

Answer;

-Ziggurat

Explanation;

The Ziggurat was a temple. It was the Sumerian's most impressive surviving archaeological remains. Huge stepped structures with a temple or shrine built on top. The ancient Sumerians, believed their gods lived in the sky. The purpose of ziggurat was to get the temple closer to the heavens, and provide access from the ground to it via steps

Sumerians  were peaceful ppl- Southern Mesopotamia- they are credited with important technological and cultural advances. They also pressed cuneiform symbols into clay tablets with a stylus to write down and keep business records. Archaeological remains are ziggurats.

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explanation:

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d