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3 Cards in this Set
- Front
- Back
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What can helpful microbes do? |
• decompose dead plays and animals and keep soul fertile
• turn harmful effects waste into harmless substance |
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What can helpful microbes produce? |
- fuel - food - medicines |
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What does unhelpful microbes do? |
• cause disease - by directly damaging tissues and weakening bodily functions
-by producing poisonous substances
• but the proportion of microbes that cause disease is very small |
