Jane is just learning to ride a tricycle, while riding on the sidewalk the surface changes from smooth concrete to bumpy brick. jane is unsure if she should continue and looks at her mother who is smiling and urging her forward. this is an example of: a. encouragement b. scaffolding c. social referencing d. theory of min

On their way home, what do claudia and jamie decide to do? a. visit the museum every week with mrs. frankweiler and make more discoveries about the exhibits b. tell saxonberg about the mystery behind the angel statue and give the sketch to the museum c. introduce mrs. frankweiler to their parents and tell her that they have adopted her as their grandmother d. visit mrs. frankweiler as often as they can and adopt her as their grandmother

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

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude