Match the following items. match the items in the left column to the items in the right column.
1 .
caesar
the method of learning by asking
2 .
pythagoras
greek mathematician
3 .
socratic method
"wisdom mongers"
4 .
sophists
killed by roman senate
5 .
twelve tables
set of roman laws

Method of learning by asking is 3.
Greek mathematician is 2.
Wisdom Monger is 4.
Killed by Roman Senate is 1. 
Set of Roman Laws is 5

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

Your answer would be 625,000,000.