Willingness to take turns is one way we can express our attitudes in
a. nonverbal communication.
b. written language.
c. body language.
d. spoken language.

The correct option is A, that is, non-verbal communication. Non-verbal communication is defined as the kind of communication that are passed across without using words. Examples of this are: shaking of hands, hugging, back-patting, facial expression, eye-contact and every form of communication that are make use of without the usage of words.

Centrapedial force is the answer