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Fill in the blanks: (a) Cleaning of water is a process of removing_____________.

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 ____________.

Answers (1)
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S Sayak

    (a) Cleaning of water is a process of removing contaminants.
    (b) Wastewater released by houses is called sewage.
    (c) Dried cow dung is used as manure.
    (d) Drains get blocked by plastic and fats.

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