How does groundwater become polluted? Please be sure about your answer

Waste filters into the water table when garbage is dumped.
All of the above
Pollutants mixed with water pass through permeable layers above the aquifer.
Factories dump their waste directly into aquifers.

Answer( solar wind );

D. a mountain abd are made by volcanos and tectonic plates

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion