Answer: 1) Because of their demand 2) Wealth can be easily gotten through them 3) Improved solution 4) Tendencies that they would be needed for a long time
Step-by-step explanation:
Some jobs are of a higher demand than others, the following explains why it is so
1) Demand; the world is changing and there is demand for certain fields today than before, new trends are replacing the existing ones, this now places a higher need for some skills than others.
2) Wealth easily generated; based on the demand for this new set of skills and job, there would be a high buying and selling within this region thereby creating wealth for those involved easily than existing skills
3) Improved solution; these high demand jobs have created better ways to solve problems than the existing method, this makes them have value than other methods applied before
4) Duration; there are tendencies that they would be sustainable for a long period of time, this makes them highly demanded