Answer:burning of fossil fuels and the decrease of oxygen and the increase of carbon dioxide
Explanation:
From outside in:
Crust
Upper mantle
Lower mantle
Outer core
Inner core.
If you mixed chlorine, argon, and sodium together, just by mixing there will be no changes or reaction that would happen since the energy in mixing the substances is not enough to let a reaction happen. However, if enough energy is added to the system sodium and chlorine might react and form sodium chloride.
The chemical reaction of rusting of iron happens between iron metal and oxygen gas in the presence of water. The product would be iron oxide. The balanced reaction would be
<span>4Fe + 3O2 = 2Fe2O<span>3
</span></span>
Hope this helps.
