Answer:
a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Explanation:
The correct answer is They do not have the energy needed to react at normal body temperatures
A. Remain without change over time
Hope this will help :))
Answer:
a
Explanation:
because he is smart sjsjsjsuzzhss
Answer:
A
Explanation:
it is because it is in the first set