Sensing in the "Green" Portion of the EM Spectrum Means $\mu$

Multiple Choice

Sensing in the "green" portion of the EM spectrum means sensing energy wavelengths of

A) 0.7 $\mu$ m - 0.98 $\mu$ m.
B) 0.4 $\mu$ m - 0.5 $\mu$ m.
C) 0.6 $\mu$ m - 0.7 $\mu$ m.
D) 0.5 $\mu$ m - 0.6 $\mu$ m.