Sentence explaining what the terms have in common. archaeology, artifact, carbon dating

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.

Is it true the ancient egyptians created a calendar that had 10 days in a week

What is the name of this mountain range found in northern africa?