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Pulkit ahuja
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Asked: 2021-06-09T09:29:10+00:00 In:

Why do some children fall ill more frequently than others living in the same locality?

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NCERT Important Questions Class 9 Science biology Chapter 13
Important NCERT Extra Questions
Chapter 13 Why do We Fall ill
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board

2021-2022biologybiology chapter 13cbsechapter 13class9ncertsciencewhy do we fall ill
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      Children fall ill more frequently due to (i) poor personal hygiene; (ii) poor domestic hygiene; (iii) unclean food; (iv) lack of proper nutrition and balanced diet. All these factors make the immune system weak.

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