Which statement best describes the difference between HR activities versus HR practices?

a$.$ HR activities are described as the knowledge skills and abilities of the manager, whereas the HR practices ensure that organizational goals are met.

b$.$

HR practices must be externally aligned while HR activities must be internally aligned.

c$.$ HR practices are carried out using HR activities.

d$.$ HR practices are put in place first, then HR activities must be determined.

e$.$

HR activities could be called the "tools" of a manager, whereas HR practices could be referred to as an organization's "strategy."