<span>If energy is released, the reaction is exothermic. If energy is absorbed, the reaction is endothermic. Since heat is being absorbed in this reaction (to break down H2O into H2 and O), the reaction is endothermic.</span>
It is called a cycle because it is repetitive, therefore making it a cycle (or almost never ending)
think it maybe 48 mg0 because there should be 2g magnesium in the word equation
Will cause sea levels to fall
Answer:
Chemical reaction
Explanation:
It's creating a whole other substance
