Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Canada bụ ebe obibi nke ebe mgbaba ugwu nke ụwa, Canadian Forces Station Alert, na nsọtụ ugwu nke Ellesmere Island <unk> latitude 82.5°N <unk> nke dị kilomita 817 (508 mi) site na North Pole. Ihe kpuchiri akụkụ ka ukwuu nke Arctic nke Canada bụ ice na permafrost. Canada nwere oke osimiri kachasị ogologo n'ụwa, yana ngụkọta ogologo nke 243,042 kilomita (151,019 mi); na mgbakwunye, oke ya na United States bụ oke ala kachasị ogologo n'ụwa, na-agbatị 8,891 kilomita (5,525 mi). Atọ n'ime agwaetiti arctic nke Canada, Baffin Island, Victoria Island na Ellesmere Island, so n'ime iri kachasị ukwuu n'ụwa. Kemgbe ngwụsị nke oge ice ikpeazụ, Canada nwere mpaghara ọhịa asatọ dị iche iche, gụnyere oke ọhịa boreal na Canadian Shield. Canada nwere ihe karịrị ọdọ mmiri 2,000,000 <unk>563 karịrị 100 km2 (39 sq mi) <unk> nke karịrị mba ọ bụla ọzọ, na-ejide ọtụtụ mmiri dị ụtọ n'ụwa.  Ajụjụ: Olee otú ihu igwe na-adị na Arctic nke Canada?
nke ice na permafrost kpuchiri