Mallory combines two chemicals and notices that each chemical retains its original properties. What did Mallory form? O a mixture
a compound
an element
an atom

A mixture

Explanation:

astronomers such as edwin hubble.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.