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

What mass will a pumpkin have a force of 450 newton’s accelerates it to 110 m/s^2? include the correct units.

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

How many astronauts have walked on the moon?