Secondary treatment in sewage treatment is
a. Physical b) chemical c) Biological d) None of these
Answers
Answered by
1
Answer:c)bio
Explanat
Similar questions
Computer Science,
5 months ago
Biology,
5 months ago
Environmental Sciences,
11 months ago
History,
11 months ago
Math,
1 year ago
Math,
1 year ago
Computer Science,
1 year ago