Biology · Wastewater Story
Arrange the following statements in the correct order to indicate the processes involved in a wastewater treatment plant. (A) Sludge is scraped out and a skimmer removes the floating grease. (B) Large objects like plastic bags are removed by passing wastewater through bar screens. (C) Water is allowed to settle in a large tank with a slope in the middle. (D) Sand, grit, and pebbles are made to settle by decreasing the speed of incoming wastewater. (E) Wastewater enters a grit and sand removal tank.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(C) → (B) → (E) → (D) → (A)
- 2(B) → (E) → (D) → (C) → (A)✓
- 3(E) → (B) → (D) → (C) → (A)
- 4(B) → (D) → (E) → (A) → (C)
Correct answer
(B) → (E) → (D) → (C) → (A)
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