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(1) people sometimes express their thoughts not by speaking, but by using their bodies in various ways. (2) one way people use the body to communicate is through the eyes. (3) by glaring, people can send the message that they are angry without saying a word. (4) likewise, people can show interest in what another person is saying by just looking at the person, using direct eye contact to send the message. (5) another way that people use their bodies to communicate is through facial expressions. (6) studies show that people all over the world use the same facial expressions to show emotions. (7) just by looking at a face, it is possible to tell if a person is sad, happy, afraid, or surprised. (8) body posture is a third way that people send messages to each other without speaking. (9) for example, sitting upright or leaning forward shows great interest and attention. (10) on the other hand, if a person has arms crossed at the chest, it is a sign that he or she dislikes or disagrees with the speaker.

1. the major supporting details of this paragraph are ways that people
a. use their eyes to communicate their thoughts.

b. use their posture to communicate their thoughts.

c. use their bodies to communicate their thoughts.