Northern hemisphere, south eastern part of the country
The correct answer should be D. Studies have been inconclusive regarding the nutritional value of organically grown food and conventionally grown food.
There has yet to be found a conclusive evidence that organic food is better. Most of the things that people hate about regular food is easily removed either by washing the food such as fruits or vegetables or by cooking them in any way. Risks of illnesses and diseases is also not related to the difference between them.
The Grand Canyon is like a history book because you can see all the layers of rock and dirt throughout the ages, and scientists can read those to tell what happened.
Hope this helped :)