A person changes the oil in his car and discards the old oil into a hole on the ground. What is a possible effect of this action? A
The small amount of oil will create a barrier between it and the groundwater.
B
The small amount of oil will remain sealed in the hole and will not affect groundwater.
C
The small amount of oil will seep through the layers of soil contaminating the groundwater.
D
The small amount of oil will stop when it reaches a harder layer of soil thus not contaminating the groundwater.