No treatment of the sewage is given if dilution factor is_____________?

A. More than 500

B. Less than 150

C. Between 200 to 300

D. Between 150 to 200

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.