<span>the simplest organic molecules, consisting of only carbon and hydrogen and with only single bonds between carbon atoms.
Ex. Methane, Ethan, Propane, Butane
</span>
B is the correct answer to your question
2NaBr + Ca(OH)2 ➡️ CaBr2 + 2NaOH
The building block that makes up all matter in the universe is atoms.
Hope that helps you:)
