You are heating a solution in the laboratory. As the solution heats up, it begins to bubble. After turning off the heat, you notice that the remaining liquid remains colorless, but you smell a sharp odor. Why might you think a chemical reaction has occured?

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

In saturated organic compounds, all the bonds between carbon atoms are called?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?