Question

In the oil wells, X forms the topmost layer, followed by Y and finally Z. X, Y and Z are respectively
A)x-Natural gas,Y- oil and Z- water
B)X- Petroleum gas,Y- oil and Z-natural gas
C)X-Natural gas,Y- water and Z-oil
D) X-Petroleum gas,Y- oil and Z- water.

Answer 1

Answer:

optio (a)

Explanation:

first is gas then oil and then groundwater