StudyGK
Practice MCQs, News & Typing Tutor
प्रैक्टिस MCQs, समाचार और टाइपिंग ट्यूटर
Prepare for SSC, CGL, UPSC and more — daily GK practice
SSC, CGL, UPSC और अन्य परीक्षाओं की तैयारी — दैनिक GK अभ्यास
GK Practice
Typing Tutor
Dark
The three spheres lithosphere, hydrosphere, atmosphere are abiotic, supporting what?
Biotic sphere
Only abiotic
Only one sphere
None
Answer:
1