Question

please answer these questions
number by number..
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Answer 1

Answer:

4.pathogen - any disease-producing agent (especially a virus or bacterium or other microorganism) microorganism, micro-organism - any organism of microscopic size. infectious agent, infective agent - an agent capable of producing infection.Vibrio cholerae, the bacteria that causes cholera, is made pathogenic by one of its parasites, the CTX virus. This virus enables the vibrio to produce a toxin that causes the lethal diarrhea of cholera. Researchers at the CNRS and Institut Pasteur have recently proven,...

5.Microbes like bacteria and fungi act on the  bodies of dead plants and animals and convert them into simple substances . These substances are used by other plants and animals. Removal of dead bodies by the action of microbes keeps our planet clean. Thus microorganisms help in keeping our environment clean.

6.housefly when wandering , sits on the garbage on the road, or the feces of people etc... when this housefly sits on our food, germs stick to its legs enter our food and then goes in our body through the food ... so ,it is known a carrier of disease

Explanation:

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