Genetically modified foods may contain high amounts of essential vitamins and minerals; however, genetically modified foods are not always labeled as such. Why is the use of genetically modified foods a concern? *

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

if you listed your answers right then i believe your answer is b.

this would be called the responsiveness