asked 83.6k views
5 votes
Which disorder could develop in the human

body when the immune system attacks a usually
harmless environmental substance?
(1) cancer (3) an allergy
(2) AIDS (4) an infection

2 Answers

5 votes

Answer:

An allergy

Step-by-step explanation:

I took a quiz on this

answered
User Scott Leonard
by
7.8k points
2 votes
Allergies (3) because they are the only disorder listed that is a result of the environment. 
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