[单选题]
How much energy is transported acropy ansju60e2c-s 9bsrd1 f)o8 ss aut jyc6)imb-j*4 jfv 1 $1.00 \; cm^{2}$ area per hour by an EM wave whose electric field has an rms strength of 21.5 V/m?
A. $0.44 \; nJ$
B. $0.44 \; mJ$
C. $0.44 \; mJ$
D. $0.44 \; J$
