Fact 1: Atelephone is used for communication by humans over long distances.

Fact 2: Effective communication requires skills in conveying and receiving messages.

Given the two facts above, answer the question "what does a telephone help humans do over long distances?" with the following options: 
- send files
 - Transfers energy
 - lowered energy cost
 - hold hands
 - extremely important
 - conveying and receiving messages
 - watch television
 - A transportation fuel


 

      conveying and receiving messages   