What bonds are broken during the combustion of methane (ch4) to form water and carbon dioxide? c–h bonds in methane and o–o bonds in oxygen c–o bonds in carbon dioxide and o–o bonds in oxygen c–h bonds in methane and h–o bonds in water h–o bonds in water and c–o bonds in carbon dioxide

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !