Your answer is: good eating habits
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Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
The best and most correct answer among the choices provided by the question is the fourth choice "this is an example of causation"
Causation<span> is the "causal relationship between conduct and result". That is to say that</span>causation<span> provides a means of connecting conduct with a resulting effect, typically an injury.</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
