<span>Viruses are not usually classified into conventional taxonomic groups but are usually grouped according to such properties as size, the type of nucleic acid they contain, the structure of the capsid and the number of protein subunits in it, host species, and immunological characteristics. This is because they don't fit well in any existing classification currently.</span>
Answer:
D. atomic mass unit
Explanation:
The atomic mass unit is used for measuring atomic mass.
Leads to deforestation, pollutes water from waste dumping, air pollution as well, less biodiversity
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