What punctuation needs to be added to the following: mark all that applyIC DC . DC IC

To clarify the sentence "mark all that applyIC DC . DC IC," we need to identify the appropriate punctuation that can enhance its readability and meaning. Here's how we can break it down:

1. Break Down the Problem

   • The sentence appears to list options or terms.
   • We need to separate these terms properly for clarity.

2. Relevant Concepts

   • Punctuation serves to clarify meaning, group related information, or separate items in a list.
   • In this case, we likely need commas or spaces to delineate the terms effectively.

3. Analysis and Detail

   • The terms are "IC," "DC," and the period at the end seems misplaced or incomplete.
   • To clarify the intent, a comma can be used to separate the terms: "IC, DC, DC, IC."
   • Depending on the context, an additional clarification might be needed.

4. Verify and Summarize

   • After adding commas and reviewing the structure, the revised sentence presents the terms clearly.
   • The goal is to ensure that the audience understands it as a list of choices.

Final Answer

The corrected statement should read: "mark all that apply: IC, DC, DC, IC." This structured format uses a colon to introduce the list and commas to separate items clearly.