Answer:
1. Pathogenic microorganisms are harmful <u>because the diseases they cause may be fatal.</u>
2. When meat is left at room temperature for many hours<u>,</u> <u>the bacteria in it may multiply and contaminate the meat.</u>
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3. illness caused by noroviruses <u>is characterized by nausea, vomiting, and diarrhea.</u>
4. Pathogens can evolve rapidly <u>to avoid being detected by our immune system.</u>
5. Most bacteria are harmless and a few are even beneficial<u>, but some can cause infectious diseases.</u>
6. Although influenza is often confused with the common cold<u>, it is a more severe disease caused by a different kind of virus.</u>
7. <u>At human body temperature,</u> flu viruses can remain infectious for a week but at 0°C, <u>they can last for more than 30 days.</u>
8. <u>When we cough,</u> we have to cover our mouth to avoid the spread of flu viruses
NOTE: I apologize if I'm wrong, I'm currently rushing and had to search up what a clause is because for some reason I have no retained knowledge from 8th grade aaa
<em>Clause:</em>
<em>What, which, where, why, when.</em>