Who was responsible for explaining the circulatory system during the scientific revolution?

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.

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Describe some effects of the rise of communism in the soviet union?