Answer: Uncertainty
Explanation:
The principle of science used here is uncertainty. The various doctors attributed their sickness to hookworm gotten from cat and dogs but the uncertainty here is that it wasn't described they had access to the water because they were disappointed by the feces of dogs and cat found around, and how they all got the same rashes at the same time is questionable
Answer:all of the above.
Explanation: no one should have to ever go through bullying
Answer:
Endothelial cells lining blood vessels have a glycocalyx to protect them from the sheer stress of blood flow, as well as to aid in cell attachment that helps the immune system and blood clotting. ... Bacteria also have a glycocalyx which can create large colonies of bacteria known as a biofilm.
Explanation:
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