Question

What do you understand by a polymer ? Water is made up of millions of identical water molecules could it be considered as a polymer?

Answer 1

Answer:

Polymers make up many of the materials in living organisms, including, for example, proteins, cellulose, and nucleic acids.

Water is a polymer, but it is mainly a compound because it is a mixture of two elements - Hydrogen and Oxygen.  

Explanation:

So water is a also a polymer since it is made up of two elements of Hydrogen and one element of oxygen.

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Hope this helps.