Pedro promised his brother that he’d let him play videogames with him and his friend, but he used a sarcastic tone and rolled his eyes at his friend to show that he didn’t really mean it. Pedro’s verbal and nonverbal messages were .

Pedro’s verbal and nonverbal messages were opposites.

Explanation:

Pedro gave two different messages, he gave a verbal message that allowed his brother to play with him and his friend, and a nonverbal message that "canceled" the verbal one. That is why they are opposites.

Pedro used two types of nonverbal communication, the first one was paralinguistics because he used a tone that gave a different meaning to his sentence and the second was a gesture of rolling his eyes that also gave a different meaning to his verbal communication.

b

explanation:

your answer is c) experiments with water vapor showed that elements combine in specific proportions.