text: And in my conclusion the facial expressions for each emoion are univeral oberves,and even though individuals show varying degress of expressions. Each student have the own facial expression is compared aginst a neutral face showing no emotion in a student face. A machine that will let you know if a student is borde or confused is good but that's why we have are own voice to let our teacher know that we need help.The author of "The Challenge of Exploring Venus" suggests that studying Venus is a worthy pursuit despite the dangers it presents. In the article, the author has many supporting statements that support the idea of exploring Venus despite the risk that Venus gives.