Match the following words with their denefitions or synonyms. 1 exemplify a carefulness 2 localize b use up (resources or materials) 3 cautiousness c having reason or understanding 4 prerequisite d a difficult situation of which there is no way out 5 realm e the act of combining things to work together 6 deplete f without much hope of success 7 gloomy g requirement for sth. to happen or exist 8 rational h illustrate 9 impasse i limit sth. to a particular area 10 integration j domain