Answer:
Paired comparisons
Explanation:
Paired comparisons
it is method used in decision making to evaluate the performance of individual employee. in this method two employee on same position is compare on the basis of their overall job productivity.
it is very useful when higher official need to decide about the appraisal or promotion of employee that are very close to each on the basis of performance.
Answer:
Migrants send not only money, but also social remittances. ... Yet, migration can also generate negative effects for origin countries. Even though developing countries can benefit in the long run from the emigration of skilled people, the brain drain can prevent poor countries from investing in human capital.
D- soldiers died both from new weapons and medical conditions.- the trenches were terrible and very unsanitary, many soldiers died from being in a trench and then they were just left there rotting.
And B- machine guns- Were invented firing the civil war