What characteristic is shared by sunspots, solar flares, and coronal mass ejections? Select the two correct responses.(1 point)
A. They are caused by outward fluctuations of the sun's magnetic field.
B. They appear as dark spots on the sun's surface.
C. They appear as bright spots on the sun's surface.
D. They tend to occur during active periods of the solar cycle.
A. They are caused by outward fluctuations of the sun's magnetic field.
D. They tend to occur during active periods of the solar cycle.
The characteristic shared by sunspots, solar flares, and coronal mass ejections is:
A. They are caused by outward fluctuations of the sun's magnetic field.
D. They tend to occur during active periods of the solar cycle.