Explain the groundwater cycle, including what happens at each point in the process and why groundwater is relevant to at least three real-world issues.

1. Groundwater is the water source in the 3rd world countries. Access to drilling and pumping technologies can increase the standard of living for many villages in sub-Saharan africa.

 2. Previous industrial activities have impacted groundwater sources to the point that some areas are not suitable for potable water use without extensive remediation efforts

3. Groundwater is an important source of drinking water and irrigation water in areas that are also home to natural gas production. 

Don’t use up to much of them it leads to pollution

The figure is not necessarily a parallelogram because only one diagonal is bisected and only one pair of sides is congruent.