Question

correct the text by inserting one comma. (note: in this skill, serial commas are not optional.) , wow yellowstones grand prismatic spring sure is colorful!

Explanation:

To correct the text, we need to insert a comma after "Wow" to separate the interjection from the rest of the sentence, following standard punctuation rules for interjections at the start of a sentence.

Answer:

Wow, Yellowstone's Grand Prismatic Spring sure is colorful!