Heating Help

How to recognize circulating hot water system

Hello -
My apartment has baseboard heating units in the bedroom and living room, with
2 separate thermostats.  Inside there appear to be one large and one smaller copper
tubes, with aluminum fins on the larger tube. I have been told that this is electric baseboard heating but it looks to me like it must be circulating hot water. How can I tell which it is?   Thanks in advance, my first post.

Post some pics

Post some pics & we'll be able to help ya

Not available.

Steve,
Thanks but I won.t be able to do that. Thank you for responding.
Jale