Answer:
If I remember correctly it should be B because it went from Cu^2 to Cu^0
Explanation:
Ground is used for agriculture, sink water, hose water, and even drinking water (from the aqueducts).
So I set up the problem as follows:

Solve for X, and you should get 52g Solution
Answer: 8 x 10^12
Explanation:
The prefix tera means 10^12. Each byte is 8 bits, so a terabyte is 8 x 10^12 bits.
That would be 'ionises' .