1.

Fill in the blanks:​(a) Cleaning of water is a process of removing ____________. (b) Wastewater released by houses is called _________. (c) Dried __________ is used as manure.(d) Drains get blocked by _________ and _________.

Answer»

Fill in the blanks:​

(a) Cleaning of water is a process of removing ____________.



(b) Wastewater released by houses is called _________.



(c) Dried __________ is used as manure.



(d) Drains get blocked by _________ and _________.





Discussion

No Comment Found