Question

you can add this styling rule by using a ____________ to separate each heading tag and apply the red font color under a single styling rule. a.) tilde (~) b.) plus symbol (+) c.) greater than symbol (>) d.) comma (,)

Explanation:

In CSS (Cascading Style Sheets), commas are used to separate multiple selectors (such as heading tags) in a single styling rule to apply the same style (like red font - color) to all of them. The other symbols have different purposes in CSS or other contexts.

Answer:

d. comma (,)