Question

Imagine Yourself as the pupil Leader of your school and prepare a notice to celebrate world Environment day in your school​

Answer 1

Explanation:

pneumonoultramicroscopicsilicovolcanoconiosis

Major dictionaries

The longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis, a word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.