Explanation: I looked it up it says it might be true but I don't know go with your gut feeling I guess
<span>The most important advancement that was made by the Maya was B. the 365 day calendar.
This calendar has survived hundreds of years and is still used today. The Maya's were also the ones who developed the concept of the number zero, they predicted the lunar eclipses, and also tracked the cycles of the moon, planets, and stars. The Mayans used this technology they developed to plan for proper harvesting and crop rotations.</span>
The first known inhabitants of Oklahoma were the Osage, Quapaw, Caddo, Wichita, Waco, Tawakony, Kiowa, Comanche, the Apache, and several other tribes of Indians.(I’m hoping that helps)
