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C. Rules are written to protect the safetyof players
Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
The heart rate would be 60 bpm.
Answer:
Often by the people that get sick you ask them who they have been around and have video of the people slowly you find them and often a doctor will have some type of evidence that this person had the disease's
Explanation: