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Stack #3682599
| Question | Answer |
|---|---|
| An alluvial fan ________. | a fan-shaped mass of sediment deposited at the base of a mountain front due to an abrupt change in stream gradient |
| People learned by trial and error years ago how to paddle a canoe upstream in meandering rivers, knowing where the strongest currents were located. Assuming you don't want to go backwards, what is the best paddling route to maximize your speed upstream? | Stay on the inside bend of meanders, crossing over whenever the meander turns so you can stay on the inside bend. |
| ________ would have the largest capacity to naturally remove sewage pollutants. | slightly clayed sand |
| Why is this happening in a desert setting? | The shales trap groundwater along the shale horizons that helps aid plant growth. |
| Which of the following features characterize meandering streams and valleys? | natural levees; broad floodplains |
| Permeable rock strata or sediment that transmit groundwater freely are called ________. | aquifers |
| The main process that links water in the atmosphere with water on Earth's surface is ________ | evaporation |
| Sediment production occurs primarily in ________ part of a river system. | the head waters |
| Water plays an important role in sculpting the landscape of continents because ________. | water is a major cause of erosion on land |
| Much of the city of New Orleans is below sea level, yet it was not an ocean when the city was first settled. How did it get below sea level? | Drainage canals and groundwater withdrawal produced subsidence that dropped the land below sea level. |
| The water table is ________. | a boundary between saturated rock below and unsaturated rock above |
| Sediment deposition occurs primarily in what part of a river system? | the head waters |
| By late summer, Farmer Smith goes out to his lake and discovers it is dry. What happened? | Farmer Browns well has dropped the water table in the well's cone of depression, and the well has led to the lake drying up. |
| Which of the following is associated with areas of karst topography? | all of these |
| Climatologists define a "dry climate" as a climate in which ________. | precipitation is less than expected evaporation |
| Which of the following did not exist prior to the Quaternary Ice ages? | the great lakes |
| Milankovitch cycles refer to ________. | variations in the earth's orbit about the sun and precession of the earth's axis |
| Desert and steppe lands cover about what percentage of Earth's land area? | 30% |
| Which one of the following applies to a valley glacier that lengthens (extends the position of its terminus downslope over a period of many years? | accumulation exceeds wastage |
| What condition is most necessary to build a glacier? | More snow must fall in the winter than melts in the summer. |
| Today, glaciers cover approximately ________ percent of the earth's surface | 10 |
| Glaciation has been recorded ________. | at multiple times throughout Earth's history |
| Glacial sediments or tills are characterized by ________. | wide variations in sizes of clasts |
| Why is wind less effective than moving water at picking up and moving materials? | Air is less dense than water |
| Which American state is entirely made up of Basin and Range desert? | nevada |
Created by:
khoseid