Answer:
Hertz are commonly expressed in multiples: kilohertz (103 Hz, kHz), megahertz (106 Hz, MHz), gigahertz (109 Hz, GHz), terahertz (1012 Hz, THz), petahertz (1015 Hz, PHz), exahertz (1018 Hz, EHz), and zettahertz (1021 Hz, ZHz).
Answer: Data analytics
Explanation:
Social change in the broadest sense is any change in social relations. Viewed this way, social change is an ever-present phenomenon in any society.
b