Genetic factors contributes to the formation of the dead zones is by their ability to expand their abilities that enables them to spread and contribute to the formation of the dead zones. These dead zones are made when the oxygen are low where it is necessarily important for the aquatic life, if the oxygen needed is depleted or too low, instead of supporting aquatic life, dead zones are created and factors contribute to these occurrences with their ability to expand.
Answer:
Eurasian and North American
Explanation:
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.