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science chapter 3.1
| Question | Answer |
|---|---|
| sediment | consists of small particles of rock or soil,or the remains of plants |
| deposition | process of which sediment is laid down in new locations |
| weathering,erosion & deposition act togther in a cycle that wears down and builds up earths surface | weathering,erosion & deposition act togther in a cycle that wears down and builds up earths surface |
| physical weathering | the type of weathering in which rock is physically broken down into smaller pieces |
| chemical weathering | the process that breaks down rock through chemical changes |
| abrasion | the grinding away of rock by rock by other rock particls, carried in water, ice or wind. |
| frost wedging | Process that splits rock when water seeps into cracks, then freezes and expands. |
| the agents of chemical weathering include water, oxygen, carbon dioxide, living organisms, and acid rain. | the agents of chemical weathering include water, oxygen, carbon dioxide, living organisms, and acid rain. |
| The natural agents of physical weathering include freezing and thawing, release of pressure, plant growth, actions of animals, and also abrasions. | The natural agents of physical weathering include freezing and thawing, release of pressure, plant growth, actions of animals, and also abrasions. |
| oxidation | a chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. |
| The most important factors that determine the rate at which weathering occurs are the type of rock and the climate. | The most important factors that determine the rate at which weathering occurs are the type of rock and the climate. |
| permeable | charastic of a material that contains connected air spaces, or pores, that water can seep throguh easily. |