एक भय-मुक्त और सहायक कक्षा का वातावरण मुख्य रूप से निम्नलिखित में से किसे बढ़ावा देता है?

If a few students disrupt the class, what is an immediate practical pedagogical step to address this indiscipline?

While you are teaching a specific topic in class, a student asks a question unrelated to that topic. What is the most appropriate action to take?