The ground beneath the Nelson's house is beginning to sag and sink. Which of the following is a possible explanation?
a.The groundwater has been exhausted.
b.The Nelsons have built their home on a continental plate.
c.There is too much salt in the soil.
d.Leaching is causing the soil to weaken.
a.The groundwater has been exhausted.
b.The Nelsons have built their home on a continental plate.
c.There is too much salt in the soil.
d.Leaching is causing the soil to weaken.