How do advertisers use data to know which products would most likely appeal to you

Which one of the following identifies the primary a purpose of information classification processes? a. define the requirements for protecting sensitive data.b. define the requirements for backing up data.c. define the requirements for storing data.d. define the requirements for transmitting data.

If you turn on the lock alpha button , what happens

An atom's diameter is about 0.1 nanometer (1×10-9m), and a human hair is about 1×10-3m. how many times greater is a human hair than an atom's diameter? sorry pushed wronf button but this is math