Similar to Cohesion, adhesion is the attraction between molecules of different substances . Water uses adhesion when it's attraction to another substance is greater than the water's attraction to itself. if you have ever dropped a cup of water on a hardwood floor,you know that it spreads out instead of foaming beads.
An artery carries blood away from the heart, a vein carries blood to the heart.
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Answer:
2MnO2 + H2O => Mn2O3 + 2OH is the correct balanced equation.