COUNT function
COUNT function determines how many cells in a range contain
a number. We use this function to get the number of entries in a number field
in an array of numbers. The formula one can use is G1:[…..]: = COUNT(G1:[…..])
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I think its A and B,hope it helps
The most serious security threat to Bluetooth-enabled devices is
, which occurs when a hacker gains access to the device and its functions without the owner's consent.

Answer:
Positive use of the technology before the pandemic. Is to talk to relatives who live far away. Find a Cool Recipe and to be nice online.
Explanation: