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Primary sewage treatment |
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Secondary sewage treatment |
1. |
It is a mechanical process involving the removal of coarse solid materials. |
1. |
It is a biological process involving the action of microbes. |
2. |
It is inexpensive and relatively less complicated. |
2. |
It is a very expensive and complicated process. |
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 8: What is the key difference between primary and secondary sewage treatment?....
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Thank you so much
Thanks for this answer.