Which advantage of stored digital data could also be a disadvantage? O A. Systems have been developed to protect stored digital data.
O B. Stored digital data can be copied perfectly time after time.
C. Stored digital data are reliable. D. Information in stored digital data can be quickly changed.

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

What causes the development of most clouds and precipitation in the atmosphere?