Revised GRE 5 Q 11

[ramlahmerchant17]

This is a reading comprehension question.
I have attached the link to the screenshot.

file:///Users/khozemmerchant/Desktop/Screen%20Shot%202016-09-11%20at%2010.44.57%20PM.png

According to the passage, if solutions with significant concentrations of lead ions...

I don't understand where the evidence is in the text for the correct answer.

[tommywallach]

I'm afraid you've provided a link to your own computer. That's not on the internet; it's simply how your computer organizes its files internally. Please post the text of the question up here if you want an answer.

-t