Pony Express, Telegraph, Telephone, CB Radio
identifybsome groups of people who have been affected by communitions technology and how they have been affectyed.
to influence others in making positive health decisions
This system of pathways used for communication and the protocol and methods used for transmission are collectively called the bus. A protocol is a set of rules and standards that any two entities use for communication.
people in the past used to make fires on the ground and then it gets in the air out but now people used to have guns and plans,etc
what has sulfur been used in the past?what has sulfur been used in the past?
You have: Invasion or Usurping. I'm not 100% on the other methods, but I know these two have been used in the past and present.
Brake lights
Did is used when communicating the past tense of do. Example sentences: She did not know the answer. He did the work and then he got paid. They did the new routine for the audience.
myb cranes
Yes it has been successful in the past
well they have the government for that
what has sulfur been used in the past?what has sulfur been used in the past?
Have been is present tense and had been is past tense.
Methods used to find out about the past include historical research using primary sources such as documents and artifacts, archaeology to study physical remains, carbon dating for dating organic materials, and oral history by interviewing people who have knowledge of past events.
Have been or Has been IS the past participle......it is equivalent to "was".
Horses are the ones because they were used in the WWI and WWII and also Jeeps were used in 1920