1. Magnetic pole interactions, isotopes identification, and nuclear decay processes in carbon-14. 2. Distance-time graph analysis, bus journey speed calculations, and graphical data interpretation. 3. Solar and wind energy cost comparisons, energy efficiency in power generation, and budget constraints in renewable systems. 4. Efficiency calculations in electrical appliances, specific heat capacity determination, and experimental improvements in heating water. 5. Redshift analysis in distant galaxies, peer review process in scientific research, and Big Bang evidence. 6. Electricity demand patterns, power station start-up times, and strategic power generation management.