✅ Correct Answer: Methane,Butane & Propane
Source: This question is taken from the Everyday Science
✅ Correct Answer: 60% Nitrogen, 40%inert gases
✅ Correct Answer: Calcium oxalate
✅ Correct Answer: Hydrogen, Helium
✅ Correct Answer: Methane, Butane and Propane
✅ Correct Answer: 0.03 to 0.04% CO2
✅ Correct Answer: Increased greenhouse gases
✅ Correct Answer: peat
✅ Correct Answer: Air pressure
✅ Correct Answer: Copper and Tin
✅ Correct Answer: 21% Oxygen approximately
✅ Correct Answer: The scattering of sunlight by air molecules
✅ Correct Answer: 1055 joules
✅ Correct Answer: Cu + Ni
✅ Correct Answer: acid rain
✅ Correct Answer: Reflex activities