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
What are contributing causes of disease?
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Contributing causes are factors which make an individual prone to catch a disease, e.g., undernourishment, defective heredity, poor public health services.