Jennie and lacey are having an argument. as lacey speaks, jennie crosses her arms and looks at the ground. lacey gets the message even thought jennie isn't saying anything. jennie is using in the conversation with lacey.

Jennie is using her body language in the conversation with Lacy. A person could convey a clear message without speaking any word. Body languages could be expressed through gestures, unconscious movements, postures, facial expressions and eye movements. In this scenario, Lacey knew that Jennie is being defensive and does not agree with her because she crossed her arms. She also knew that Jennie could be hiding something from her or is being guilty of something she does not know when Jennie looked at the ground.

The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."