Question

What most likely caused the ice ages

Answer 1

Answer:

Fluctuations in the amount of insolation (incoming solar radiation) are the most likely cause of large-scale changes in Earth's climate during the Quaternary. In other words, variations in the intensity and timing of heat from the sun are the most likely cause of the glacial/interglacial cycles.

Hope that answered your question! XD

Answer 2

Answer:

Variations in the intercity and timing of heat from the sun are the most likely cause of the ice ages.