Chapter 14: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 14
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MCQ 46: The disease due to water-related disease is broken out by
MCQ 47: The remaining sewage after it has passed through the sludge tank is known as
MCQ 48: Human's infected feces contains
MCQ 49: In water cycle, sun helps water to
MCQ 50: Ice flows down the mountainside like a slow moving rive is called
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