For irrigation, for water supply to common people used to live near the banks of river, and for transport.
Horses, cattle, and their feet.
i meant to say How many Atp molecules are used in the electron transport chain
communications used long ago are:writing.
1000 years ago horses were used to be trasport
transport that was used long time again
What means of transport people use to travel long distances, why
gondola
Robots were not available to invent or produce a long time ago.
Rail transport, ships, road transport, air transport.
it was used in 18816
If you are talking about the mid 1800 - Early 1900 Then the reveille's usually used Bugles for battle calls. Mainly because they were easy to transport and didn't need to push valves/move the slide.