Climate cycles of 40,000 years and 23,000 years have been identified and attributed to the tilting and wobbling of the Earth's axis.
(Climate cycles of 40,000 years and 23,000 years; have been identified; ) (Climate cycles of 40,000 years and 23,000 years; attributed; to the tilting and wobbling of the Earth's axis)
Climate cycles of 40,000 years and 23,000 years Climate cycles of 40,000 years and 23,000 years
have been identified attributed
to the tilting and wobbling of the Earth's axis