Test Verbal Communication: Oral and Written

1st QUESTION: What is the main characteristic of oral communication according to the text?

Because it is less important than oral communication
Because it lacks the support of body language and tone of voice to clarify ambiguities
Because it is always aimed at a non-specialist audience
Because it is a more natural form of communication

For informal discussions and debates
To convey messages that require immediacy
For conversations that require real-time adjustments
For formal agreements, reports, and any information that requires accuracy and consistency