The Precipitation Radar,located Onboard the TRMM (Tropical Rainfall Measuring Mission)satellite,is

The Precipitation Radar,located onboard the TRMM (Tropical Rainfall Measuring Mission) satellite,is able to measure rainfall intensity in previously inaccessible regions of the tropics and subtropics,and is capable of detecting rainfall rates down to about ____ per hour.​

A) 0.1 mm (0.004 in.)
B) 0.3 mm (0.01 in.)
C) ​0.5 mm (0.02 in.)
D) ​0.7 mm (0.03 in.)
E) ​0.9 mm (0.04 in.)