For 10 points, identify these large masses of compacted snow and ice which account for roughly 75% of Earth's fresh water.
Projections known as nunataks can emerge from these entities, and the outcroppings known as roches moutonnees [RAWSH moot-un-ahyz] are formed because of these entities. Their surfaces include light and dark bands called ogives, and they are formed partially due to the compression of firn. Crevasses form across these entities when they come in (*) contact with a steep slope, and moraines form from the deposit of their till. Calving is the process by which icebergs break off these features. For 10 points, identify these large masses of compacted snow and ice which account for roughly 75% of Earth's fresh water.
Projections known as nunataks can emerge from these entities, and the outcroppings known as roches moutonnees [RAWSH moot-un-ahyz] are formed because of these entities.
{glacier}s [prompt on things like {ice caps}, {ice sheets}, or {ice shelves}]