The choices can be found elsewhere and as follows:
sandstone aquifer
<span>fractured limestone aquifer </span>
<span>cavernous limestone aquifer </span>
<span>spring where the water table intersects the ground surface
</span>
I think the correct answer is the second option. Groundwater contaminated by sewage from a ruptured septic tank can sometimes be naturally purified by flowing for a relatively short distance through a fractured limestone aquifer.
The ( b. corpus callosum ) contains approximately 200 million axons.
hope this helps, friendo!
Communication involves good listening and understanding skills as well as problem solving.