imagine you went on a trip to the past and you had to describe the evolution of means of communication explaining why the make our lives easier now . tell people in the past about three means of communication from this chapter . write a sentence about each one mmmmmmmmmmmmmmeeeeeeeeeeeeeeeeeeeee aaaaaaaaaaaaaaaaajjjjjjjjjjjjjjjjjjjjjjjjjuuuuuuuuuuuuuudddddddddddddeeeeeeeeeeeeeeeeeeeeemmmmmmmmmmmmm
Soluções para a tarefa
It was only at the end of the 18th century, with the creation of the telegraph, that messages could be passed quickly and over long distances through wires. Each signal transmitted through it compose the message, as smoke signal.
The radio appeared. It's technology allowed the transmission of news and entertainment programs through electromagnetic waves like a swell on the surface of a body of water, but in thin air.
Then the telephone allowed the transmission of sounds through electrical signals.
Television appears and TV broadcast takes place. Now image and sound could be transmitted through the "air" and wires.
Finally the internet came to exist, the world wide network of computers capable of storing, processing and sharing data, sound and image.
People now has access to a vast collection of information and drastically turned their communication means reliable in terms of efficiency.