Heyy :))
The best answer would be:
D.Vertical
I hope this helps!
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The correct answer is oceanic; subduction
The lithosphere layer is above the asthenosphere, a layer that presents the rocks in a more pasty state, due to the high temperatures present inside the planet. The meeting zone between the lithosphere and the asthenosphere has an isotherm, that is, a constant temperature, which is approximately 1,200ºC. Thus, everything above this point of contact has sufficient temperatures to make the rocks remain rigid.
Add both "w" which equals 2w. Then add 10 and -4 which is 6. So the answer is 2w+6... Im pretty thats the answer make sure to double check though