The diagram shows an electron micrograph of virus particles inside a human nucleus. What is the diameter of the virus particles that are labelled?
- A$1.5 \times 10^0\,\mu\text{m}$
- B$1.5 \times 10^{-2}\,\mu\text{m}$
- C$1.5 \times 10^0\,\text{nm}$
- D$1.5 \times 10^2\,\text{nm}$