Hygiene refers to a set of practices, such as cleanliness, handwashing, and dental care, aimed at preserving health and preventing diseases.
Health: Refers to overall well-being.
Metabolism: Describes chemical processes in the body.
Cleanliness: A part of hygiene focusing on maintaining a clean environment.
Analyze the significant changes in printing technology during 19th century in the world.
निर्धारित गद्य पाठों के आधार पर निम्नलिखित चार प्रश्नों में से किन्हीं तीन प्रश्नों के उत्तर लगभग 25-30 शब्दों में लिखिए:
बालगोबिन भगत एक सच्चे गृहस्थ भी थे।' स्पष्ट कीजिए।