✅ Correct Answer: 1 AU
Source: This question is taken from the Everyday Science
✅ Correct Answer: A class of nucleic acids
✅ Correct Answer: Igneous rock
✅ Correct Answer: smallest particle of an element which can undergo a chemical reaction
✅ Correct Answer: Solid Carbon dioxide
✅ Correct Answer: A sea bird
✅ Correct Answer: acellular
✅ Correct Answer: Kilogram
✅ Correct Answer: radio active gas