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C Lesson 4
4th grade Science
| Question | Answer |
|---|---|
| terminus | the end,or outer margin of a glacier where rock debris is accumulates. |
| outwash plains | gravel,sand,and clay carried from glaciers by melting water and steams. |
| rock debris | carried and deposited by a glacier. |
| glacier | a large mass of snow and ice that slowly moves downward and outward over the land. |
| glacial till | an unsorted mixture of rock materials deposited as a glacier melts. |
| erratic | an isolated boulder left behind by a glacier. |