Answer:
They serve the same purpose of communication and connecting different people over distance. However , our phones today are more complex and can do far more than just communication. Our cell phones now have games and are easier to carry compared to the past.
Answer:
No labeled city is about 170 miles southwest of Tashkent
Answer:Random selection
Explanation:Random selection means a researcher chooses the sample randomly from a population of interest, which means in a way that is unbiased such that everyone stands an equal chance of being selected. For example picking a person in line after skipping every two individuals and continuing in that way until the full sample has been acquired in this way no details of these individuals are particularly known to the researcher but the person is only picked by chance