Viruses are invisible through the ______ microscope, but we know that they are there because we can see the ______ they cause.
- Ordinary; Havoc
- Simple; Danger
- Cheap; Damage
- None of these
Explanation
- Viruses are not visible with an ordinary light microscope.
- We recognize them by the havoc (destruction) they create in cells.
Last verified on 16-05-2026
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