The high productivity of american agriculture is exemplified by
a. low crop yields per farm worker
b. high crop yields per farm worker
c. the small cultivated area per inhabitant
d. the small cultivated area per farmer

The correct option is B.

The American agriculture is highly productive and this is as a result of high crop yields per farm worker. The rural areas of America is made up of those regions that concentrate on agriculture and the lands use for agricultural purpose is about 72% of all american lands. Thus, Americans are able to plant enough crops for themselves and for exporting into other countries.

the correct answer is B.High crop yields per farm worker