CH₄ + 2O₂ = CO₂ + 2H₂O
It is a redox reaction, a combustion reaction.
All of these EXCEPT helium in a balloon
The six basic elements of weather include temperature, humidity, atmospheric pressure, wind, precipitation, and cloudiness.
~I knew this was asked 5 days ago, but I hope this still helps.
<span>Made up of particles packed relatively close together, having an indefinite shape but a definite volume</span>
