Sarah's dog had purebred puppies that she decided to sell on www. puppyfind. com. She did this twice a year for ten years. Is Sarah a sole proprietor? Yes No

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

Does the amount of material present affect its intensive or extensive properties? explain.

What do you think were some of the long term effects of the migration of african americans from rural southern areas to northern urban areas?