Sumerians were known for two inventions:
irrigation, that is bringing water to crops that would otherwise not have access to it
and writing: cuneiform, one of two first writing systems on earth (the other being hieroglyphs).
Answer:
The topic Carrie has chosen for her psychology paper concerns the global capacity to think rationally, act purposefully, and deal effectively with the environment. Carrie has chosen to write her paper on: A. mental age.
Explanation:
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