state the two main causes of diseases class 9
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Two main causes of disease are Immediate cause and Contributory cause: Immediate cause are the organisms that enter our body and cause disease. For Example, viruses, protozoa, bacteria. Contributory causes: These are the secondary factors which lead these organisms to enter our body.
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the two causes of diseases are pandemic diseases which is widely distributed worldwide .
Epidemic disease which breaks out and spreads from one place to place .hope it helps u marks as brainliest
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