Usually, when sludge is removed from __________, it is left in heaps next to the drain for 3–4 days. Examisthan.com | Source: Grade 6 Science — Curiosity (Reprint 2026–27) Page 4
Question
Usually, when sludge is removed from __________, it is left in heaps next to the drain for 3–4 days. Examisthan.com | Source: Grade 6 Science — Curiosity (Reprint 2026–27) Page 4
drains
water's
humidity
expresses
Answer
drains
Detailed Explanation
The textbook states: “Usually, when sludge is removed from drains, it is left in heaps next to the drain for 3–4 days.” — Examisthan.com