The water activity of chewing gum ranges from 0.40-0.65. The moisture content of chewing gum ranges from 3-6%. In fact, chewing gum retains its quality for so long that, in most countries, it is not required by law to be labeled with an expiration date.
Meaning: (language) communication by word of mouth. Classified under: Nouns denoting communicative processes and contents. Synonyms: oral communication; speech communication; spoken communication; spoken language; voice communication; language; speech.
Effective oral communication skills help people to: 1  improve their own academic performance; 2  increase their employment options; 3  enhance their subsequent professional competence; and. 4  improve their own personal effectiveness.