You are presented with the question "what does a telephone help humans do over long distances?" and the following answer choices: 
- send files
 - Transfers energy
 - lowered energy cost
 - hold hands
 - extremely important
 - conveying and receiving messages
 - watch television
 - A transportation fuel

Now knowing that atelephone is used for communication by humans over long distances and effective communication requires skills in conveying and receiving messages, choose the best answer.


 

      conveying and receiving messages   