Answer: "estuaries" .
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Answer:
The civil rights movement (also known as the American civil rights movement and other terms) in the United States was a decades-long struggle with the goal of enforcing constitutional and legal rights for African Americans that white Americans already enjoyed.
For this question the answer will be D.
Answer: calculaban muchas cosas como la altura de una piramide, impuestos, medir parcelas de cultivo, etc.
Explanation: