Which model was used to show a molecule of methane, or CH4. What elements make up this molecule?

A 3 dimensional stick and ball model can show the tetrahedral structure of methane.

Explanation:

Methane is tetrahedral, with 4 equal bond angles of 109.5° and 4 equal bond lengths

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

answerambulatory;