What is the name of the insect that ended the cotton industry in the South? *

boll weevil

Explanation:

it got eliminated as an economic pest as it greatly affected the cotton production between 1915 and the early 1990s

That would be, I believe, the Boll weevil . The boll weevil greatly affected Georgia's long history of cotton production between 1915, when the insect was introduced to Georgia.

answer; i do believe its (b) 12.5 years of age;

i am confused, what is the question? i can you out if you put it into more depth.