Work is basically the transfer of energy. Power is the work done in a unit of time, and how quickly the work could be done.
There are five basic categories of pathogenic organisms: bacteria, fungus, viruses, protozoa, and worms.
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What is a pathogenic microorganism?</h3>
An organism that can infect a host with sickness is known as a pathogenic organism.
When they interact with their hosts, pathogenic microorganisms have the potential to infect or afflict them with diseases. In order to establish infections, virulence factors exacerbate the host's defense mechanisms. The pathogenicity of bacteria is determined by the nature and type of virulence factors.
Learn more about pathogenic microorganisms here:
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I don't really get your question but i would have to guess that the temperature would have been colder since the sun wouldn't have been created yet (if your talking about before everything)
correct me if im wrong :P