<span>The molecules that provoke a specific immune response are called antigens.
</span>This molecule initiates the production of an antibody and causes an immune response. T<span>oxins, chemicals, bacteria, viruses, or other substances that come from outside the body can be part of the antigens.
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Answer:
EA SPORTS
Explanation:
SO2: inorganic compound
k: element
Cl2: inorganic elemental molecule
C6H6: organic compound
A proper habitat and Preferences different specialized niches