What did the Mayas develop? (A) intricate roads to connect different parts of their empire (B) stone carvings that showed images of their rulers (C) a calendar based on a solar year of 365 days (D) an urban area with a system of canals

The Mayans developed a calendar based on a solar year if 365 days.

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disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.

answer; the candidate for vice president;