Which list shows the correct order of these events in the formation of sink holes?
Falak lists the four events involved in the formation of
sinkholes.
W-Acidic rainwater dissolves the limestone bedrock.
X-Large cavities form in the bedrock.
Y - Natural holes and cracks become bigger.
Z - The ceiling collapses due to the weight of sediment.
O W, X, Y, Z
OW, Y, X, Z
OW, Z, Y, X
OW, Z, X, Y