Question

What most likely caused the ice ages?

the size of tree rings and the amount of pollen grains
solar flares and gassy ejections from the Sun
the tilt of the Earth’s axis and the shape of its orbit
the temperatures of the Sun and moon

Answer 1

Hello There,

The answer is:

C. the tilt of the earth's axis and the shape of its orbit

Hope this help have a great day :)

Answer 2

The most likely cause of the ice age was the the tilt of the Earth’s axis and the shape of its orbit.

What was the ice age?

This was a period where the global temperature was discovered to have gone colder.

In this period, the reason that led to this was the fact that the earths axis had tilted and there was expansion of ice sheets.

Read more on the ice age here:https://brainly.com/question/7387582