The answer would be decreases.
hope this helped :)
Answer:
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In the question in regard to the ouchterlony test if there is an unknown antigen containing a swine serum album, the number of precipitin line that will form is one which is the answer. It relies in between the wells of the antibodies for the bovine albumin and the wells of the bovine albumin.
It is using rotation movement
but to pry something open with a screwdriver like a lid of a paint then it is used as a lever,hope this helped
