Read the sentence. henry david thoreau, often known as the father of environmentalism wrote the book entitled walden. which revision should be made so that the sentence is properly punctuated? place a dash after “environmentalism” remove the comma after “thoreau” place parentheses around “entitled walden” add a comma after “environmentalism”

Punctuation is an essential literary device without which major works of art would be meaningless. It is to be noted that even a comma can horrifically change the meaning of any statement.

Anyhow, the correct way of utilizing punctuation that is been missing in the given statement can be understood through my sentence below:

Henry David Thoreau, often known as "the father of environmentalism", wrote the book entitled "Walden."

According to the given sentence, the revision that needs to be made so the respective sentence is properly punctuated include add a comma after "environmentalism".

A punctuation is defined as the words that include commas and full stop, in order to describe the particular phrase and sentences for better understanding.

In the above sentence, there is a grammatical error, the punctuation mark. A comma (,) need to be placed after the word "environmentalism."

Learn more about punctuation, refer to the link:

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i think the answer is b