✅ Correct Answer: Rain
Source: This question is taken from the Everyday Science
✅ Correct Answer: Imperfection
✅ Correct Answer: Two Protons and two Neutrons
✅ Correct Answer: A class of nucleic acids
✅ Correct Answer: 3 feet
✅ Correct Answer: Brain
✅ Correct Answer: Computer science
✅ Correct Answer: Difference in crystalline Structure