You can re-arrange your sentence in this way:
In order to identify the development of tornadoes, few required conditions can be described.
The answer is "night and day," because "night" falls<span> and "day" </span>breaks<span>. Your welcome! :)
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<span>Garrison was a journalistic crusader. He advocated the emancipation slaves where he gained a national reputation for being radical in American abolitionists. Garrison said those words the time when a man whose house was on fire and wanted to give a moderate alarm for the man to rescue his wife from the hands of the ravisher. Garrison went ahead and to say and the mother to extricate her babe from the fire.</span>
Visualize success, Concentrate on the message.
Hope this helps!
