Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
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They are attacked by lymphocytes.
Be yourself, at some point someone will along and love you with all their heart! But be careful, if you know they don’t love you leave them. Why? Because why would you want somebody who doesn’t love you in your life?
The answer is B.a social policy under which government does not interfere with conditions in a society or with social change.