D. Iowa
The corn belt covers Western Indiana, Illinois, Iowa, Eastern Nebraska, and Eastern Kansas. In these states, corn is one of the dominant crops.
The plight of refugees is that they suffer deep emotional stresses from displacement. Fleeing their lives in search of a safer place for them to have a future brings with it poverty, fear and health issues. Upon arrival in a new country, I think that they should be treated with equality, dignity and be given the resources and tools from our society to enable them to build a new life for themselves. After their suffering and journey to seek a better place and better life, societies should embrace these people, their skills and abilities and allow them to be a part of other cultures.
The answer should be 3a-6+14 = 3a+8.
The answer is A) biosphere.
Simon Bolivar's revolution brought an end to the Spanish rule in South America.