Under ideal conditions, a commercial X-band spectrometer can detect of the order of which of the following number of spins at room temperature?

Under ideal conditions, a commercial X-band spectrometer can detect of

1.	Under ideal conditions, a commercial X-band spectrometer can detect of the order of which of the following number of spins at room temperature?
A.	10<sup>1</sup>
B.	10<sup>5</sup>
C.	10<sup>10</sup>
D.	10<sup>12</sup>
Answer» E.