Answer:
Adrian's adaptive immune system remembered the antigens from the virus. so he becomes immune to it.
Explanation:
Answer: preventive medicine
Explanation:
Preventive medicine:
This a type of medical practice that is designed to avert and avoid disease. Preventive medicine takes a proactive approach to patient care. In the case of kea by working out regularly and eating healthy. She is preventing diseases that are associated with bad eating habits and not working out.
The correct formulae is CCl4
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Cells because they are living things. Hope this helps! ;D