气候变化损害了墨西哥的玉米产量

cultivate – v. to prepare and use for crops

pumpkin – n. a large, round, orange vegetable

livestock – n. farm animals

locate – v. to discover or show the exact position or place of something

contradiction – n. a difference or disagreement between two things which means that both cannot be true; the act of saying something that is opposite or very different in meaning to something else

diversify – v. to make or become different; to increase number of products or field of operation

self-sufficiency – n. the state or quality of being about to provide everything you need without the help of others

alternative – adj. offering or expressing a choice

tendency – n. a form of behavior that is developing and becoming more common