Explanation:
It contributed massively to the UAE's sustenance and was the major profession for most of the population.
A privacy concern with using modern technology is the use of sharing of data from multiple sources. This is because, this policy gathers all the information and data from each person, and steals it.
Answer: <em>Option (C) is correct.</em>
Trial and error are known as one of the methods of problem-solving. It is represented by recurrent, different attempts which continue until progress, or until the individual stops. This is also known as a heuristic approach to problem-solving or obtaining knowledge. This method is used in several disciplines such as computer science, elementary mathematics etc.