Final Answer:
For a magazine or news article, the punctuation mark that follows the page number is **(a) Period.**
Step-by-step explanation:
In standard editorial practice for magazines and news articles, the page number is typically followed by a period. This punctuation convention is part of the established formatting rules in the publishing industry. The period serves as a clear and concise indicator that separates the page number from other elements, such as the title or subtitle of the article. This convention aids in maintaining consistency and readability across various publications, ensuring a standardized and professional presentation.
The use of a period after the page number is a practical consideration for both print and digital formats. It assists readers in easily identifying and locating specific pages within a publication. Additionally, it helps maintain a clean and organized visual layout, facilitating the overall design and readability of the magazine or news article. By adhering to these punctuation guidelines, publishers and editors contribute to the professionalism and coherence of the printed or online content, supporting a positive reading experience for the audience.