Answer:
Contrived observation
Explanation:
In a contrived observation, the person who is used as the observer or the person carrying out the observation is the one who creates the scene or the setting for the gathering of information.
Such a setting gives the person control over getting useful information in a faster and in a more efficient manner.
Dr Mayhew has created the scene for this observation to get how the subjects would react using different observers.
Answer:
nombre eso si esta difícil ni yo le entiendo a mi tarea de español
They provided water for food and served as transportation waterways
Answer:
trading
Explanation:
am not sure about the answer
