Question 4: Error Identification: According to Mehrabian in1971, only 7% of the information we communicate to others depends upon the words we saying; 93% of that depends on non-verbal communication

Answer D-> that we say/ we say

Explanation: The sentence lacks a relative clause. Relative clauses clarify the meaning of the noun phrase ‘the words’

According to Dr. Mehrabian in 1971, only 7% of the information we convey to others depends on the words we say, 93% of which depends on nonverbal communication.