Answer:
Endothermic is identified if the process requires heat as a reactant, since endothermic means "intake of heat", so it has to take in some type of heat.
Answer:
Chemical change
Explanation:
Matter changes into a new substance by changing into a chemical change. In a chemical change, the substance cannot be changed back to its previous state and a new substance is formed.
<span>The theory of global warming states that the average temperature of the earth has been increasing over time. This theory will be most strongly affected by </span><span>scientific studies that </span><span>reveal how the earth's temperature has fluctuated in the past.</span>
atoms definitions and I hope this helps
