प्रकृति बिज्ञान चाहे प्राकृतिक बिज्ञान के भीतर ऊ सभ बिज्ञान आ जालें जिनहन क संबंध प्रकृति से बा।
संदर्भ
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.