Revise the following sentence for formal language:
“isn't it clear that college is totally cool? ”

“Isn't it clear that college is totally cool?” when changed into a formal sentence can be put as “Isn’t it perceptible that college is absolutely remarkable?”

Explanation:

The difference between an informal and a formal sentence or question is that the former is presented with a personal and emotional tone and the latter always comes with a professional tone. Also, an informal saying consists of words or phrases that have give a casual sound to the string of words. Abbreviations and words mainly used verbally find their place in these kinds of sentences. Whereas, formal sayings always consist of full sentences and proper grammar.

the answer is true.

the international phonetic alphabet (a standardized system of phonetic symbols devised and maintained by the international phonetic association) is composed of one or more elements of two basic types, letters and diacritics.