International Operations works with the Department of Homeland Security and other U.S. agencies to vet participants in International Visitors Program events nationwide.
Life cycle. Life cycle means the stages a living thing goes through during its life. In some cases the process is slow, and the changes are gradual. Humans have various steps during their lives, such as zygote, embryo, child and adult. The change from child to adult is slow and continuous.
a recurrent series of events or processes in plants and animals: a life cycle, a growth cycle, a metabolic cycle 11. (physics) a continuous change or a sequence of changes in the state of a system that leads to the restoration of the system to its original state after a finite period of time