18 If all humans were vegetarians,
(A) Earth’s carrying capacity would be reduced
(B) the Earth could support a larger population
(C) the Earth could support fewer people
(D) Earth’s carrying capacity would be unaffected
19 The term “food miles” describes
(A) how far food travels from where it was grown to where it is eaten
(B) how far a person must travel in order to obtain food
(C) how far a processing plant is located from farm fields
20 A food desert
(A) is a place with little or no food
(B) is a place with inadequate water for growing food
(C) is a place with too much food
(D) is a place that lacks healthy food