Answer:
Something that an antibody or T-lymphocyte binds to
Explanation:
As per the definition, antigens are the substances or molecules that are capable of inducing an immune response. When our immune system detects any unwanted substance or molecule in our body, the specific type of antibody is made against that antigenic substance and the antibody made against it binds to the antigen so that the other immune cells can recognize it and destroy it and protect us form its harmful effect. T-cell are also involved in recognizing antibodies and specific T-cell can bind to the antigen.
A because it pertains the the ecosystem
<span>Answer D hop you get it </span><span>Answer</span>
Answer: B
Explanation: The amount of salt in the inner circle is equal to the amount of salt in the outer circle.