Biology, 21.10.2020 07:01 jennainglish
• What are three infectious diseases?
• What are three ways that infectious diseases can be prevented?
• How does a vaccination work?
• How do antibiotics work on bacteria and why don’t they work on viruses?
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Biology, 21.06.2019 15:50
Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.
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Biology, 22.06.2019 02:30
Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
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Biology, 22.06.2019 16:30
Has magnification ability of hundreds of thousands of times
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• What are three infectious diseases?
• What are three ways that infectious diseases can be prevent...
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