Question

a) First radio technology, b) first pigeon messenger, c) chatbots, messengers on horse or on foot, e) emoji was introduced, f) th first telegraphs g) personal computers, h) first mobile phone, i) smoke signals, j) the telephone was invented, k) global internet.


2800 years ago, 2500 years ago, 1700s, 1815, 1876, 1894, 1970s, 1973, since 1990, 1997, today. (Надо определить в каком году какой предмет создали.)

Answer 1

Объяснение:

а) 1700

b)1900

today aiiaisudhhd