The experiments are:
- The gravitational lensing that experiments use to light around the dark matter such as black hole which makes the light bent.
- The gravity probe B that <span>makes the axes of gyroscopes inside to drift slightly over a period o time, a result that some how relevant to einstein theory
- </span>the Laser Interferometer Gravitational Wave Observatory (LIGO<span>)  that found piece of evidences for black hole colission</span>
        
             
        
        
        
Answer:
Human resources ( HR ) is the division of a business that is charged with finding, screening, recruiting, and training job applicants, and administering employee-benefit programs.
 
        
             
        
        
        
Answer:
Classroom wall hangings
Explanation:
The independent variable in a research is that variable that the researcher wants to use to find out if it affects the dependable variable. The researcher manipulates the independent variable to see if it brings any change to the dependent variable. In this example, the researchers wants to test if classroom wall hangings can increase GPA, hence he wants to see if manipulating the classroom wall hangings can have an impact on the GPA of students. 
 
        
             
        
        
        
Answer:
For both blanks it would bethat anyone born or neutralized in the U.S. is considered a citizen. And the second blank is citizenship.
Explanation:
 
        
                    
             
        
        
        
Answer:
4. All of these
Explanation:
As developed by J. Stacy Adams, a behavioral psychologist in the 1960s, equity theory seeks to understand the equality in distribution of resources among individuals. It is measured by comparing ratio of contributions to ratio of rewards. This theory explains employees or workers need to balance their input in their work and the reward or output they get from it.