Which of the following is the balanced chemical equation for the combustion of methane, CH4? A) CH4 (g) + 2O2 (g) → CO2 (g) + 2H20 (g)

B) 2CH4 (g) + O2 (g) → 2CO2 (g) + H20 (g)

C) CH4 (g) + 2O2 (g) → 2CO2 (g) + 2H20 (g)

D) CH4 (g) + 2O2 (g) → CO2 (g) + H20 (g)

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?