Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

A time when glaciers are more widespread is called a(n) ______ period; a time when glaciers are melting and retreating is called a(n) ______ period