Unlike the Software Ecosystem, mobile cellular networks are built in a way that allow a base station or cell tower to be upgraded without risk of losing compatibility between the different parts of the network.

Explain briefly why you cannot expect to find a previous version of every file with which you work.

Suppose an astronomer discovers a large, spherical-shaped body orbiting the sun. the body is composed mostly of rock, and there are no other bodies sharing its orbit. what is the best way to categorize this body? a. planet b. moon c. comet d. asteroid

Which excel file extension stores automated steps for repetitive tasks?