Glaciers are huge masses of ice that move slowly across the land. They fo in pla where mo snow fa in win than me in sum. Over ma years, t snow i pressed down by the weight of new layers and slowly turns into solid ice. When the ice becomes thick enough, gravity causes it to flow downhill. As a glacier moves, it carries rocks and soil with it and can carve deep valleys into the landscape.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.