It follow the format known as: <span>symposium-forum.
</span><span>In symposium-forum format, we can expect to see a chairperson that accompanied by several presenters (in most events it would be around three or four)
</span>This format is most commonly used in event that provide experts with an opportunity to propose their theory, findings, or their opinions regarding other experts' works.
The antigen's foreignness is the most important determinant of immunogenicity when considering an antigen.
An antigen in immunology is a molecule, molecular structure, foreign particle, pollen grain, etc. that may attach to a particular antibody or T-cell receptor. Antigens within the body may cause an immunological response.
Antigens are outside elements. Normally, the body's defence cells don't react to molecules that belong to it (self antigen). A substance's antigenicity is often correlated with its foreignness . When compared to antigen from other members of the same species, it is less antigenic.
A foreign substance must make up the immunogen. Only substances that are not normally found in the body or exposed to the cells of the particular immune system trigger immune reactions. The immune system will distinguish between "self" and "non-self" in normal circumstances.
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Answer:
Movement if glaciers is the answer
