6. How does decayed organism like plants and animals make soil fertile? A. change its color C. makes the texture finer B. enhances color D. add nutrients to the soil 7. _ is the habitat of aquatic plants and animals. A. salty water B. ground C. seawater D. fresh water 8. It is use for cleaning, bathing, washing, preparing food and other household uses. A. fresh water B. sea water C. ground water D. salty water 9. Which one shows water conservation? A. A child playing with water. B. A gardener uses sprinkle in watering the plants. C. A boy uses the shower when bathing. D. The house owner did not fix the leak. 10. What are the uses of water resources? A. Useful to human and aquatic animals in order to live. B. For swimming and drinking only. C. Water scarcity. D. None of the above.
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