q1) corn fuel does not work well when the weatehr is too hot or too cold. in addition, it requires vast amounts of
water and land with less land available for foood crops. with이하가 결과로 해석되는데요 왜그런지요?
( 옥수수연료는 많은 양의 물과 땅이필요하기때문에 이용가능한 경작지가 줄어들게된다.)