Use the accompanying figure to answer the following question.
-According to the data,which of the following substances is most difficult to remove from fracking wastewater using this technique?
A)water
B)barium
C)radium
D)sulfates
E)strontium

Question

Use the accompanying figure to answer the following question.
-According to the data,which of the following substances is most difficult to remove from fracking wastewater using this technique?
A)water 
B)barium 
C)radium 
D)sulfates 
E)strontium

Quizplus · Accepted Answer

The Answer is E

Use the Accompanying Figure to Answer the Following Question