Final answer:
The first temptation occurs when the serpent tempts Eve to eat from the tree of knowledge of good and evil.
Step-by-step explanation:
The subject of this question is religion, specifically the story of the Fall of Man as described in the Bible in the book of Genesis. In this story, the first temptation occurs when the serpent tempts Eve to eat from the tree of knowledge of good and evil, despite God's command not to. Eve gives in to temptation and eats the fruit, and then convinces Adam to do the same. They both experience the consequences of their disobedience.