What is an example of an open system

Hello! Ahh okay let’s see... I’ve studied this before.

So an example of an open system can be something like living organism such as a human being. We actively interact with our environment, which results in changes to both the environment and us. For example... we eat to acquire energy.
I hope this helps, I tried to give a pretty detailed example. Have a great night!

~Brooke❤️

South wales composes a lot of coal in that region.

Answer// dinosaurs emerged during mesozoic era;