Which of the following statements is true?
a.
surface water and groundwater are unrelated.
b.
surface water can seep downward to become groundwater.
c.
surface water can become groundwater, but groundwater cannot become surface water.
d.
groundwater can become surface water, but surface water cannot become groundwater.

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j