Answer:this is definitely a covalent bond
:)
Oxygen, sulfur, nitrogen, and hydrogen!
When prolonged and excessive rainfall the more water percolates and the water table (below the earth surface/soil) rises. The higher the water table the more the possibility increases for a spring to form in the sense that it would now be easier for the water to find a means of escaping the underground through perhaps a crack or a cave, etc.
I would say A. Because it seems like a logical explanation.