Because the ring is hollow
Answer:
6
Explanation:
the value is 6 because its an even number
It is a molecule because hydrogen is an element.
An element is made up of molecules
Boiling water is a physical change, because it is changing state of matter, there is a controllable temperature change, and you can change it back.
Frying the egg white is a chemical change, because there is a change of matter, controllable temperature change, but you CAN'T change it back.