Human system impacts on the natural systems that are most directly associated with food systems we have seen in this course include which of the following? Group of answer choices
a. Water use e.g. water footprints of foods
b. Pollution of waterways from overapplication of manure
c. Erosion of soils under tillage when these are left bare while seeding crops
d. Emission of carbon dioxide associated with fertilizer production
e. All of the answer choices are correct
f. None of the options available are correct