The principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage rather than a constant amount is called:
1. sensory interaction.
2. the difference principle.
3. the opponent-process theory.
4. Weber's law.

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

What strategies did the writers/producers use to differentiate between tonto and the characters if the dominant culture?

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory