An endothermic process is a process that needs energy in order to proceed. This is the opposite of exothermic which is a process of releasing energy. During an endothermic process, the temperature of the system is increased thus exciting the molecules and allowing them to move faster. This will cause liquid to vaporize.
Answer:
ash, smoke, carbon dioxide are obtained from burning waste
Hydrogen and carbon because they are the most common element of canyon
Objects that produce heat are coal, liquid fuels, gasoline, oil, and gaseous fuels
Answer:
He
Explanation:
A molecule is the smallest physical unit of a substance that can exist independently, consisting of 2 or more atoms chemically combined
He is one atom of Helium