After a landing helicopter is safely on the ground, one may approach the aircraft only when signaled by the:

A premature newborn is an infant born before _______________ weeks or who weighs less than _______________ kg

Fill in the blank(s) with correct word

Records of your education, state or local credentials, and recertification are held by a recognized agency through a process called:

A) licensure. B) reciprocity. C) registration. D) certification.