Direction: In the following sentence, four words printed in bold are given. One of these words printed in bold may either be wrongly spelt or inappropriate in the context of the sentence. Find out the word that is inappropriate or wrongly spelt, if any. If the words printed in bold are correctly spelt and appropriate in the context of the sentence then mark 'No error’ as your answer.

The widespread availability of the web has produced considerable changes in education, allowing adolescents to tap into a vast arrant of information.