✅ Correct Answer: Northern lights
Source: This question is taken from the Everyday Science
✅ Correct Answer: Second cranial nerve
✅ Correct Answer: Thiamine
✅ Correct Answer: Stellar nurseries
✅ Correct Answer: Leucocytes
✅ Correct Answer: Both A and B
✅ Correct Answer: Pure-Conductor
✅ Correct Answer: Cataract
✅ Correct Answer: Niacin
✅ Correct Answer: Quick Silver
✅ Correct Answer: Fissionable
✅ Correct Answer: Black ice
✅ Correct Answer: plasma
✅ Correct Answer: Astronomy