Answer: A. Persian Wheel
Explanation:
A Persian wheel would be best because it is able to satisfy the demands of individual users as opposed to groups. A Persian wheel uses a single well to draw water so would be able to supply a person or people in a deserted area by drawing from individual wells.
Canals and dams on the other hand are best for areas with a lot of people as they would all benefit from the canal supplying multiple farms which would offset the cost of building it in the first place. Building a canal to a single farm is not feasible if it was to supply a single farm.
The answer is A. <span>debts.</span>
Ralph will "focus on the social advantages to smoking".
According to cognitive dissonance theory, there is an inclination for people to look for consistency among their perceptions (i.e., convictions, assessments). At the point when there is an irregularity between attitudes or practices, something must change to dispense with the dissonance. On account of an error amongst states of mind and conduct, it is doubtlessly that the disposition will change to oblige the conduct.
It depends on what you are speaking about. If you are talking about something that you want people to thoroughly understand then use a lot o body language. If you are talking about something that you know might have a weak side, then use less body language.