Answer:
Its 3) Mi nombre
Explanation:
Me llamo is the only other option that goes into this sentence and it is not that one because it is equivalent to someone saying "I call myself, __". While Mi Nombre is the direct equivalent to "My name is" which fits into this dialogue.
Were you asking what this means in English??
I used google translate and this is what it translated to: <span>What are science-based knowledge</span>
