What is the authors' most likely overall purpose in the article?
A to highlight the importance of various types of
foods we eat and the essential nutrients they
provide us
B to encourage conventional and organic farmers to
prioritize soil health by restoring degraded soil on
their farms
C to advise against purchasing food that was grown
in soil containing mineral fertilizers, as the soil is
often lacking nutrients
D to support soil conservation by imparting the
importance of how food is grown and the impact it
can have on human health