Which of the following is not a means of purifying water for drinking?
a. protecting watersheds from pollution
b. exposing water in a clear plastic bottle to intense sunlight
c. nanofilters
d. carbon nanotubes
e. centrifugation
Answer: E
Which of the following is not a means of purifying water for drinking?
a. protecting watersheds from pollution
b. exposing water in a clear plastic bottle to intense sunlight
c. nanofilters
d. carbon nanotubes
e. centrifugation
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.