How do we know there was an ice age?

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  • Acetek
    Lv 4
    6 months ago
    Favorite Answer

    Geological evidence for ice ages comes in various forms, including rock scouring and scratching, glacial moraines, drumlins, valley cutting, and the deposition of till or tillites and glacial erratics.

  • 6 months ago

    Was?

    We are still in an ice age. Currently we are enjoying an interglacial period, but that is not likely to last.

    Previous ice ages are evidenced by evidence of lowered sea levels and the movement of large boulders by huge glaciers where none are now present.

  • Anonymous
    6 months ago

    Because it was an animated movie.

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