Explanation:
there you go you can just look up atomic model for CD and click images
A catalyst is a chemical that increases the rate of a chemical reaction without itself being changed by the reaction. The fact that they aren't changed by participating in a reaction distinguishes catalysts from substrates, which are the reactants on which catalysts work. Enzymes catalyze biochemical reactions.
I got you bro by the power of my heart and the felling of agony my condolences go to the Siskin of Thebes
Answer:mixing decomposing
Explanation:
Melting and grinding changes the physical form and mixing decomposing doesn’t