One characteristic of human communication is that it is symbolic. in this symbolic communication meanings are located in
a. events.
b. people.
c. words.
d. objects

A event’s because it doesn’t mean nothing else

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.