Answer:
gives a command to the person reading the paragraph
Since impinge means to have an impact, some are touch, affect, or influence
The answer to your question would be prohibited as it does mean to be forbidden or not allowed to and on this sentence is saying that since it was too noisy it was impossible to study.
A root word provides the foundation for a word's meaning, which is the fourth option. A root word is the basic word without adding any suffixes or prefixes. New words can be made from a root word, and their meanings are going to vary based on the prefixes or suffixes added to the noun. When a root word is found in a text, the context might take the reader to the origin of the word and make the reader better aware of the use and signification in a sentence or paragraph.