Answer:
After the wastewater is purified it is pumped into the ground to mix with aquifer water. Sometimes the treated water is used to form a barrier against invading seawater on groundwater. The purified water trickles down to replenish the groundwater supply.
Explanation:\
I hope that helps. I don't know if this is right or wrong, but good luck :)
The answer is D. 3,4,5,1,2
D it’s d bcuz it’s the answer
They are homologous characteristics.