M Mr. Dubey 🎓 Coach ⭐ 104.60K Points 📊 Angular Q. How do you declare a service to be injectable throughout the app? (A) Add @Injectable({ providedIn: 'root' }) (B) Declare it in app.module.ts providers array only (C) Declare it in every component providers array (D) Use @Component decorator 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Add @Injectable({ providedIn: 'root' }) Explanation: This registers the service with the root injector for app-wide singleton.