e  don’t know.

    Compared burst, t times seem pretty smallscale, but of course tandards of anyto be found onEartoday. t,  a rate of about four  a year.

    a t must o be ts could benearly anding at t high.

    Be more ice, allest mountain summits poking tinents sagged under t of so mucertill rising back into place. ts didn’t just dribble outboulders and long lines of gravelly moraines, but dumped entire landmasses—Long Islandand Cape Cod and Nantucket, among ot along. It’s little  geologists before Agassiz rouble grasping tal capacity to reworklandscapes.

    If ice ss advanced again,  t Prince illiam Sound in Alaska, one of t glacial fields in Nort by trongest eartinent. It measured 9.2 on ter scale. Along t line, ty feet. t, in fact, t it made er slos of pools in texas. And  did tburst  all. tsoaked it up and kept on moving.

    For a long time it  t o and out of ice ages gradually, over  t  been toice cores from Greenland e for somet is found t comforting. It s for most of its recentory Eartable and tranquil place t civilization  ratly betal chill.

    to big glaciation, some toe rapidly, but tly plunged back into bitter cold for a t knoo science as ticplant t to recolonize land after an ice s  it  so s t average temperatures leapt again, by as mucy years,erribly dramatic but is equivalent to exce ofScandinavia for t of terranean in just tures teen degrees in ten years, drastically altering rainfall patterns and groions. t tling enouged planet. today tt