[Answered] Secondary treatment of sewage involves A) filtering and aeration. B) settling and sludge ...

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Author Question: Secondary treatment of sewage involves A) filtering and aeration. B) settling and sludge ... (Read 113 times)

Mr.Thesaxman

Hero Member
Posts: 514

on: Aug 27, 2018

Secondary treatment of sewage involves

A) filtering and aeration.
B) settling and sludge removal.
C) chlorination.
D) Secondary sewage treatment involves all of the above.

Question 2

Carbon can exist is several forms. Which of the following is a form of carbon and does not contain other atoms besides carbon?

A) fullerenes
B) celluloid
C) cellulose
D) starch

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nikmaaacs

Sr. Member
Posts: 335

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

A

Mr.Thesaxman

Hero Member
Posts: 514

Reply #2 on: Aug 27, 2018

Thank you!

nikmaaacs

Sr. Member
Posts: 335

Reply #3 on: Aug 27, 2018

Always glad to help...

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Author Question: Secondary treatment of sewage involves A) filtering and aeration. B) settling and sludge ... (Read 113 times)

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