Respuesta :

Jael323
The answer is A. All of the other answers aren't scientific questions. 

I hope this helps!

Answer: Option A

Explanation:

Can cats learn to sit down on commands? Yes this question can be answered by the help of scientific method.

A proper experiment can be conducted on the cat's behavior that how they behave when given a command. It needs the study of behavior.

So, this question can be answered using scientific knowledge.