The degradation of Lake Washington resulted from the introduction by sewage treatment plants of which of the following?
a. phosphorus
b. nitrogen
c. oxygen
d. chlorine
e. fecal material
Answer: A
The degradation of Lake Washington resulted from the introduction by sewage treatment plants of which of the following?
a. phosphorus
b. nitrogen
c. oxygen
d. chlorine
e. fecal material
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.