All of the following are characteristic of nonverbal communication except:
a) nonverbal communication usually conveys more information than verbal communication
b) nonverbal communication is the secondary means of communicating emotion
c) nonverbal communication is metacommunicative
d) nonverbal communication is present in most interpersonal conversations

a) nonverbal communication usually conveys more information than verbal communication

Explanation:

Nonverbal communication or body language is facial expressions, body movement, gestures, eye contacts, and chats which make a communication better. Nonverbal communication is important because it improves or facilities verbal communication. If verbal and nonverbal clues match, they increase trust, otherwise they can cause stress, tension, confusion, and mistrust.  

But it does not convey more information, therefore, Option a is the answer.  

i go with [ a