✅ Correct Answer: protein
Source: This question is taken from the Everyday Science
✅ Correct Answer: 63% tin and 37% lead
✅ Correct Answer: Polar solvent
✅ Correct Answer: Star
✅ Correct Answer: Mineral
✅ Correct Answer: Dilute acetic acid
✅ Correct Answer: Igneous rock
✅ Correct Answer: Atoms
✅ Correct Answer: A class of nucleic acids