Q: Does "During this period Buddhism was exposed to a variety of influences, from Persian and Greek civilization, to changing trends in non-Buddhist Indian religionsthemselves influenced by Buddhism." provide a valid answer to "The gradual spread of Buddhism exposed it to a variety of influences including what civilization?"?
A: yes

Q: Does "The characteristics that attract pollinators account for the popularity of flowers and flowering plants among humans." provide a valid answer to "The features of flowers which attract pollinators also attract what other creature?"?
A: yes

Q: Does "For example, the now-widespread haredi tradition of cutting a boy's hair for the first time on his third birthday (upshirin or upsheerin, Yiddish for "haircut") "originated as an Arab custom that parents cut a newborn boy's hair and burned it in a fire as a sacrifice," and "Jews in Palestine learned this custom from Arabs and adapted it to a special Jewish context."" provide a valid answer to "When is a newborn boy's hair first cut?"?
A: yes

Q: Does "The 1815 Congress of Vienna confirmed these changes and the Thuringian states' inclusion in the German Confederation; the Kingdom of Prussia also acquired some Thuringian territory and administered it within the Province of Saxony." provide a valid answer to "When were the mediatisation changes confirmed?"?
A:
yes