Answer:
B
Explanation:
only 3% of Earth's water is usable as a freshwater resources
Answer:
They use field observation and spatial sampling. They are also into social patterns and processes. They can use archival research too.
<span>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. </span>
