N'ihe dị ka puku afọ iri gara aga, a na-eme ka ice na-agbada n'ala. A na-emekarị ka ice na-agbada n'azụ nnukwu ice na oghere dị n'etiti drumlins ma ọ bụ ugwu. Ka oge ice na-agwụ, ndị a na-agbaze iji mepụta ọdọ mmiri. Nke a pụtara ìhè na Lake District na Northwestern England ebe post-glacial sediments na-adịkarị n'agbata mita 4 na 6 miri emi. A na-ejikarị ọdọ mmiri ndị a gbara drumlins gburugburu, tinyere ihe akaebe ndị ọzọ nke glacier dị ka moraines, eskers na njirimara erosional dị ka striations na akara mkparịta ụka. Ajụjụ: Gịnị bụ igwe na-eji nwayọọ nwayọọ na-agagharị nke ice kpatara site na nchịkọta na mkpakọ nke snow?
glaciers