During both the vernal equinox and _____________, there is an equal amount of night and day.
a.summer solstice
b.autumnal equinox
c.winter solstice
d.vernal equinox
During both the vernal equinox and _____________, there is an equal amount of night and day.
a.summer solstice
b.autumnal equinox
c.winter solstice
d.vernal equinox