Answer: b) achievement test.
Explanation:
Achievement test is the assessment in which learned knowledge, skill and information is evaluated through help of test.This determines the development of skill in a person.
According to the question,Gretchen is taking achievement test to assess and evaluate her learned knowledge and skill in field of data operations.
Other options are incorrect because judgement test, critical thinking assessment,aptitude and psychometric test does not defined learned knowledge ability.Thus, the correct option is option(b).
 
        
             
        
        
        
Answer:
Five(5) countries participated in the summer Olympics
 
        
             
        
        
        
Because it was a close water source where they could grow food instead of chase there food
        
             
        
        
        
Answer:
An Example of a servant leader is Late Mother Theresa of Kolkata,India.
Explanation:
Servant leadership is usually associated with religious leaders and in some cases Political leaders, a servant leader is a type of leadership which has the following characteristics such as Empathy for his or her people, the growth of the team and the people are of Critical importance to a servant leader,a servant leader has a foresight,he or she is also known as healer by its followers etc This type of leaders usually go out of their way to make their people happy and achieve certain goals.
An example if a servant leader is Mother Theresa of Kolkata, who received a Nobel prize for her actions on which led to the saving of lives in the slums of Kolkata, India, she is a religious leader who workers tirelessly to help the poor and those forgotten or abandoned in the streets etc.