Which civilization created an accurate calendar between a. d. 300 and a. d. 900?

Which of the following is true of emotions? (a) a neurologically-intact baby can show at least six distinct emotions at birth. (b) the character of emotions changes as we develop cognitively. (c) basic emotions are culturally- and developmentally-based. (d) in general, adults cannot interpret infant emotions until the infants are 10 to 12 months old.

What are the most populous and least areas of russia and why are some areas more heavily populated than others

How did southerners view andrew johnson and republicans in congress