<span>Depending on the specifics of the culture, the gesture of a smile might not be recognized by tribe members. The bearing of teeth as done when one smiles, might be seen as an aggressive maneuver as seen in the animal kingdom.</span>
Answer:
The best answer to the question: If Erik uses the scientific method to investigate this, what type of research would he be doing, would be, observational as full participant.
Explanation:
In observational research methods, a person simply tries to answer a question, or solve an issue, by literally observing and experimenting on the field, without making changes to what is around. The question, or issue, will be resolved as the researcher observes the development of certain characteristics that would prove, or disprove, the question being researched, or solve, or not solve, the problem for which an answer is being sought. In this case, Erik wishes to see if his previous experiences dressing in business casual attire will repeat themselves when he is in college, and so, he not only wishes to test the theory that people approaches him easily if he is dressed in business casual, rather than in another attire, but he will become the test subject himself, becoming thus, a full participant. Erik will then observe the results of his experimentation, and thus come to an answer to his query.
Answer: It helped build power plants.
Explanation: The Rural Electrification Act granted federal loans for the installation of electrical distribution systems to serve rural areas.
Answer: The answer is policy advisers.
Explanation:
When economist are trying to help improve the world, they are policy advisers.
I believe it’s 4 opportunity cost