It describes the point at which the element is a solid liquid and has at a certain temperature and pressure
Because of the heat, steam
The original change is chemical, affecting the main colorant because of temperature. Paint, is a surface change, not changing anything about the leaf itself, but showing a different color to your eye.
There are 3 aroma.
There are two atoms of hydrogen and one atom of oxygen in each water molecule, making the formula H2O. So, each molecule of water contains *3* atoms.