Question E3C10
From subelement E3 - E3C
E3C10
Answer: BWhat does the 304A solar parameter measure?
AThe ratio of X-ray flux to radio flux, correlated to sunspot number
BUV emissions at 304 angstroms, correlated to the solar flux index
CThe solar wind velocity at an angle of 304 degrees from the solar equator, correlated to geomagnetic storms
DThe solar emission at 304 GHz, correlated to X-ray flare levels