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Stack #4731026
| Question | Answer |
|---|---|
| An aquifer | An aquifer is an underground layer of water-bearing, permeable rock, gravel, sand, or silt that can store and yield usable amounts of groundwater. [1, 2] |
| atmosphere | An atmosphere is the layer of gases surrounding the Earth or another celestial body, held in place by gravity |
| The biosphere | The biosphere is the global ecological system where all living things on Earth exist and interact with the land, water, and air. |
| Erosion | Erosion is the natural process where wind, water, ice, or gravity wears away rock, soil, and sediment and moves them to a new location |
| Evaporation | Evaporation is the process where a liquid changes into a gas or vapor at temperatures below its boiling point |
| A fault | A fault is a mistake, responsibility for a bad event, a physical defect, or a fracture in the Earth's crust |
| A glacier | A glacier is a large, slow-moving mass of dense ice that forms on land from compacted snow and flows downhill under its own weight |
| Groundwater | Groundwater is the water found beneath the Earth's surface filling the spaces in soil, sand, and rock. |
| The hydrosphere | The hydrosphere is the total amount of water found on, under, and above the surface of a planet. |
| The lithosphere | The lithosphere is the solid, rigid outer shell of a rocky planet or moon, including Earth's crust and the brittle uppermost part of the mantle. |
| Plate tectonics | Plate tectonics is the scientific theory that Earth's outer shell is divided into large, solid pieces of rock that move slowly over a hotter, softer layer underneath |
| precipitation | Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the Earth's surface |
| The water cycle | The water cycle—also called the hydrologic cycle—is the continuous movement of water on, above, and below the surface of the Earth |
| Weathering | Weathering is the process where natural forces break down or dissolve rocks, minerals, and artificial materials at or near the Earth's surface |