✅ Correct Answer: Burning Of Fuels
Source: This question is taken from the Everyday Science
✅ Correct Answer: Water from domestic use
✅ Correct Answer: Green vegetables
✅ Correct Answer: Electric wires
✅ Correct Answer: Carbon dioxide
✅ Correct Answer: Nitrogen
✅ Correct Answer: Plants
✅ Correct Answer: Solid in gas
✅ Correct Answer: Cu + Ni
✅ Correct Answer: Aluminium and Magnesium