PDF chapter test TRY NOW
Fill in the blanks with the correct option given below in the table:
| Undesirable | Modernization | Earth | Annelid |
| Water | Man-made | Degrade | Hot |
| Decomposition | Water | Dissolved oxygen | Typhoid |
| Eutrophication | Shellfish | Wastewater | Natural |
1. The _____, polluted water from industries also reduces the dissolved oxygen in water bodies.
2. Drinking contaminated water can lead to diarrhea, cholera, ______, dysentery or skin infections in humans.
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