Welcome to Westonci.ca, the ultimate question and answer platform. Get expert answers to your questions quickly and accurately. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

What do the horizontal portions of the graph represent? When heat is added to or removed from the substance and the temperature remains the same, where is the thermal energy going? Why?