Video 1:
All I Want For Christmas is You by Mariah Carey
Video 2:
All I Want For Christmas is You by Fifth Harmony
So the difference between the Mariah version and the Fifth Harmony one is that the first one is sung by one person, the other is sung by 5 people. Mariah's version shows Mariah outside in the snow wearing a winter outfit with Santa, while the Fifth Harmony version shows them inside their house celebrating a normal Christmas and opening presents.
What exactly do you need help with? X
Answer:
Drilling companies drill vertically down to the desired distance and drill horizontally into the shale. They then use hydraulic fracturing, or fracking, to loosen up the rock enough to get the gas out.
Hope this helps
-Amelia