
. Iron is divalent to hydrogen and water.
Answer:
Physical changes
Explanation:
Changes in the state of matter are physical changes.
First, the material is made up of the same components that is was before it changed states.
The physical properties of the material changed, but its chemical composition did not, meaning that is is a physical change.
Answer:
Is it prescribe to you?If so than yes if not then no need to
Explanation: