ANSWER:I think the answer is number 3
An exothermic chemical reaction is change in the chemicals that can never be undone, an exothermic solution is a combination of chemicals
Answer:
Dogs
Explanation:
That's the answer. Hope that helps.
Nucleic acid is the macromolecule that carries code for building our body.
It could be xenon, enon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense, odorless noble gas found in Earth's atmosphere in trace amounts.[11] Although generally unreactive, xenon can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized.[12][13][14]
