Four markers in a computer model represent objects at different scales.
| marker | diameter |
|---|---|
| W | 0.012 nm0.012\ \mathrm{nm}0.012 nm |
| X | 1.2 nm1.2\ \mathrm{nm}1.2 nm |
| Y | 0.12 nm0.12\ \mathrm{nm}0.12 nm |
| Z | 12 nm12\ \mathrm{nm}12 nm |
Which marker could represent an atom?
marker Y
marker X
marker W
marker Z