Answer:
Valid evidence is based on facts or sound reasoning; invalid evidence is based on incorrect facts or faulty reasoning.
&
Valid evidence is based on information that is closely related to the point being made; invalid evidence is based on contradictory or unconnected information.
I'd like to say its a conversational(<span>appropriate to an informal conversation)</span> and inquisitive(curious or inquiring) tone
Human sacrifice was a way to honor the gods.
The answer is 2, because they introduce his doings similarly, by using "And" and "A".