<span>a division or contrast between two things that are or are represented as being opposed or entirely different.
or
contrast, difference</span>
Answer:
It is thought that a history of genetic relatedness among some parents combined with intermarriage on the island ,contributed to the spread of the genetic defect that caused vineyard deafness ... Individuals with vineyard deafness used a highly developed sign language ,probably based on a Language brought from Kent
This should be in a different section not world languages
We need to see the whole picture in order to figure it out. Because we can't see the top of the page