Question

state two main causes of diseases for class 9th​

Answer 1

Answer:

Unhiegenic foood and water ;

Eating uncovered food ;

Eating food kept for a long time .

These are the main factors which can lead to diseases.

Explanation:

Thnx

Mark as brainliest.

Answer 2

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❥Infectious diseases can be caused by:

• Bacteria.
• These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
• Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
• Fungi.
• Parasites.

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