What are viruses made
of? Why are they not considered alive?
The

A virus particle is made up of genetic material housed inside a protein shell, or capsid.

viruses are acellular particles (meaning they aren't made up of living cells like plants and animals are), consisting instead of a central core of either DNA or RNA surrounded by a coating of protein.

Explanation:

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

the areas around the equator