During the winter, the united states is most likely to import crops from which of the following countries?
l. chile
ll. mexico
lll. bangladesh
lv. spain

a. i and ii
b. i and iii
c. i and iv
d. ii and iii
e. iii and iv

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing