Question

What affect did ice age have on the planet​

Answer 1

An ice age causes enormous changes to the Earth's surface. Glaciers reshape the landscape by picking up rocks and soil and eroding hills during their unstoppable push, their sheer weight depressing the Earth's crust.

Answer 2

They affect climate by changing the distribution of incoming solar energy on Earth's surface. Roughly 20,000 years ago, during the Last Glacial Maximum of the Pleistocene Ice Age, ice spread over much of North America and Eurasia.