Which is an advantage of storing data digitally? A. It is easy to copy a computer virus to a device along with the data.
B. Other people can access personal data from unsecured devices.
C. The quality of copies decrease as more copies are made.
O D. It is easy to change the data if you have the right computer
programs

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples