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Every telecommunication setup uses two devices: one device to transmit data and one device to receive data. Which device transmits frequencies to mobile phones?
towers transmit frequencies to mobile phones.

When is an original work considered public domain? a. when posted via social media b. when it is posted on the internet c. when a copyright symbol is not included with the piece of work d. when explicit permission is given by the author / owner

The file sales data. xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel. xlsm to find a nice color of gray.)

How do you make a lenny face? plz, brailiest to who can answer first.