Which of the following was most likely an effect of woodblock printing in china during the middle ages? artists changed their painting techniques. it led to innovations in farming. it resulted in the preservation and spread of knowledge. it divided chinese society into two warring groups.

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends

Americans often refer to a country that is not the united states as a

If both the president and the vice president can no longer serve, who will become the next head of state?