Which two sentences contain incorrect punctuation?

One question that society finds problematic to answer is what energy sources will people utilize when the earth is drained of natural resources such as coal or oil.

Upon discovering the errors in the film - the abusive remarks-the movie release was immediately postponed and was sent back to the editors for correction.

Maintaining hygiene is a good way to keep illnesses at bay; this can be done by washing hands, brushing teeth, and bathing regularly.

The American writer and philosopher, Henry David Thoreau comments that by simplifying one's life, "the laws of the universe will appear less complex."

The adrenaline produced in our body during a confrontation leads to two possible responses by the person run away to safety, or stand one's ground and fight.

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D). The American writer and philosopher, Henry David Thoreau comments that by simplifying one's life, "the laws of the universe will appear less complex."

E). The adrenaline produced in our body during a confrontation leads to two possible responses by the person run away to safety, or stand one's ground and fight.

Explanation:

Punctuation marks are elucidated as the signs and symbols that function to enhance the readability of the sentences and indicate the grammatical construction of the readers. It assists them in understanding the meaning of the sentence more clearly and comprehensively.

In the given sentences, the last two sentence are incorrectly punctuated as they both wrongly employ comma (,) in it. Option D inappropriately punctuates comma (,) in the complex sentence while the last option falsely puts comma before conjunction 'or.' Thus, options D and E are the correct answers.