Surveys have shown that more than _________ percent of U.S. counties have potential groundwater contamination from agrichemicals.
a. 10
b. 20
c. 25
d. 50
Answer: d. 50
Surveys have shown that more than _________ percent of U.S. counties have potential groundwater contamination from agrichemicals.
a. 10
b. 20
c. 25
d. 50
Answer: d. 50
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.