probably
big sauropods probably groaned and moaned to each other
Big Meat eaters like T. Rex probably did what they did in movies: RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRROOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAARRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Raptors had large braincases, and are believed to have distinct calling systems like hisses and screeches and barks and growls.
Quacking at eachother
Dinosaurs weren't intelligent enough to segregate eachother.
they give signals to eachother
They are the symbols Ancient Egyptians used to express themselves and communicate with eachother.
what is the process that enables computers to communicate with eachother
building relationships with other and communicate with eachother
No,it is not so because if mobiles were not there it would be very difficult for everyone to be in touch with eachother. Everybody would not have been able to communicate with eachother.
No one knows for sure how dinosaurs communicated. It is suspected though that they communicated both vocally and visually with one another.
whales and dolphina are two different spicies thatdon't communicate with eachother
In a rudimentary manner much the same as lower animals do today.
They did not exactly speak, but there is little doubt that they used sound to communicate.
The telephone was made to help people communicate with eachother when they were not within shouting range, and do so more easilly than with a telegraph.