Wrong place this is the mathematics section
Answer:
The correct answer should be: "[...] only human language utilizes complex system of speech".
Explanation:
Although animals such as dolphins and great apes communicate, which is a form of language, only humans are capable of producing speech through the use of words and a complex set of phrases and sentences. Animals do not speak, even though they communicate differently, only people are able to use language in this way, only humans use a complex system of language data inside out their minds while using oral or written speech.
Doctors warned people to stay away from the medical tent where patients were being treated in order to avoid contagion. This means to avoid the spread or transfer of diseases or infection. Contagion means the communication of illnesses from one person to another, most especially when in close contact.
Pure your took out the i,c and t