Guys can i help me Q15,16,17,18,19

15. Human resources are the people who make up the workforce of an organization, business sector, or economy.
Exmaples:
All companies deal with human resources in some form or another, even if they don't have dedicated human resource departments. That's because human resources goes far beyond hiring; the function also deals with (among other things) maintaining morale within the organization; creating motivational compensation plans; creating and maintaining performance-appraisal programs; ensuring that important information about benefits, laws, and employment issues is disseminated; and helping employees maintain and develop their skills.