Final Answer:
Kappa Delta communicates with collegians and alumnae primarily through Email and social media. These modern communication methods facilitate efficient and widespread sharing of updates and information within the Kappa Delta community. So, the correct answer is 1) Email and social media.
Step-by-step explanation:
Email and social media: In the modern era, email serves as an efficient electronic communication method, allowing Kappa Delta to share updates, announcements, and information with members. Additionally, various social media platforms provide interactive spaces for engagement, fostering a sense of community among collegians and alumnae.
These communication channels align with contemporary practices, facilitating effective and widespread dissemination of information within the Kappa Delta community.
Therefore, the correct answer is 1) Email and social media.