Is the mantle liquid or sold?

Excuse me, I'm curious about something. Could you clarify for me the state of matter of the mantle you're referring to? Is it a liquid or is it solid? I'm trying to understand the properties and characteristics of this mantle, and it would be helpful to know whether it flows like a liquid or maintains a fixed shape like a solid. Could you please elaborate on this point? I'm interested in learning more about its physical properties and how they might affect its behavior and interactions within the larger system it's a part of. Thank you for your assistance.