Answer: the correct option is C(communicate through sign language)
Explanation:
Chantek the orangutan is one of many nonhuman primates that scholars have used to draw conclusions about the origins of human language because they seem to be able to communicate through sign language. Taught by American anthropologists Lyn Miles and Ann Southcombe Channel the orangutan learnt how to communicate using that American sign language.
Wind turbines rely on wind, which will continue to be available.
No answer can be given because there is not enough information in the question.
I don't know much but i believe the immune system which protects the body from viruses is one of those<span />
(B) because if you have areas that are infected with bacteria and that to swell it could kill a person