Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. The calendars produced by both the Mayan and ancient Mesopotamian civilizations NEED ASAP WILL GIVE BRAINLIEST

a. were both accurate

b. are still used today

c. were based on the moon's cycles

d. never worked correctly

Sorry sir you did not give us the graph i typically but i'm very confused my conclusion is you're missing valuable information in the question

The three steps before modern english were indo-european, germanic, and old english. as peoples moved around the eurasian continent, their languages changed. throughout the ages, the languages became more specialized. as english has many germanic influences, it is easy to see how this was one of the forebears. also, old english was one of the main ancestors of the modern language, spoken in the 5th through about the 13th centuries.