When electrons absorb energy they are able toa. move from exited states down to their ground states. b.move from their ground states up to excited states. c.attach to the nucleus. d.form a bond with the nearest proton.

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

Why does the united states constitution require that a national census be taken every ten years?

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