http://www.enotes.com/history/q-and-a/what-were-causes-dust-bowl-1930s-35681 Well, the Great Depression of the 1930s was one of the main factors that caused the Dust Bowl of the same period but it was not the MAIN CONTRIBUTING factor that lead to the ecological disaster.
The definition of a suffix is a letter, syllable or group of syllables that are added to the end of a word to change it into something else. An example of suffix is adding cycle to motor which creates motorcycle.
For example, âamâ is a present tense conjugation of the verb âbe,â and it is the form that goes with the subject âI.â Using âIâ (or âweâ) also indicates that the speaker is speaking in first person as opposed to second person (âyouâ) or third person (âhe,â âshe,â âit,â âtheyâ).