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My Answered Questions
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why around urinal pits there is no grass
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why insects blood does not have oxygen carrying pigments
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why chlorophyll do not absorb ordinary light for photosynthesis
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what is the work of acrosome in a sperm cell
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what are the ways to eliminate child labour?
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what is the importance of toes on our legs
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why the particles formed during formation of solar system were condensed rather than disperse
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why insect suffocate when it abdomen is immersed in water rather than the head
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what is chlorine water?
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what makes different in our mental thinking capacity
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