A lunar month is approximately 29.5 days, which is the time it takes for the moon to orbit the earth.
(A lunar month; is; approximately 29.5 days, which is the time) (approximately 29.5 days; is; the time it takes) (the moon; to orbit; the earth)
A lunar month approximately 29.5 days the moon
is is to orbit
approximately 29.5 days, which is the time
the time it takes
the earth