المشاركة الأصلية كتبت بواسطة --ξ7ŞΆŞ--

9- Which of the following is not an indication that a communication system is based in the biology of its users:
(a) Being species specific
(b) Being universal to members of the species
(c) Being made of sounds and symbols
(d) Being affected by the environment

؟؟؟؟؟؟؟؟؟