Answer:
The following evidences would prevent scientists from classifying viruses as living organisms:
1) They have subcellular or acellular (non-cellular) structure.
2) Do not respire or excrete.
3) Can be crystallized.
4) Can be stored as chemicals.
![\rule[225]{225}{2}](https://img.qammunity.org/2022/formulas/mathematics/high-school/3icqlwn6du2l5ygbr7z2lp6sjjralcpq09.png)
Hope this helped!
~AH1807
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