Valley-Glacier
Landslide-gravity
Frost wedging-ice
Canyon-river
I think this is correct, sorry if I’m wrong :)
Answer:
Y = Aorta.
W = inferior Vena cavae.
Z= Pulmonary vein
X = Pulmonary organ.
Explanation:
Hope this helped have an amazing day!
Im going to guess either c or d
It takes place in the matrix of the mitochondria, which is the powerhouse of the cell.