front 1 Limestone and marble weather faster than granite because___. | back 1 Limestone and marble can be dissolved by weak acids in rain. |
front 2 Frost wedging is the major weathering process contribution to the formation of which regolith material? | back 2 Talus slopes |
front 3 Which of the following is most resistant to both chemical and physical weathering? | back 3 Quartz |
front 4 Which one of the following statements best describes erosion? | back 4 The process by which weathered rock and mineral particles are removed from on area and transported elsewhere. |
front 5 Which of the following best describe the E soil horizon? | back 5 Leaching zone |
front 6 Which mass wasting process has the slowest rate of movement? | back 6 creep |
front 7 Clay minerals formed from gabbros or diorite bedrock illustrate which kind of weathering? | back 7 Chemical |
front 8 Given enough time, what factor is typically most important in soil formation? | back 8 climate |
front 9 Which soil horizon represents the uppermost limit of the zone of the accumulation also referred to as the subsoil? | back 9 B |
front 10 Which term describes a soil formed by weathering of the underlying bedrock? | back 10 Residual |
front 11 In the Rocky Mountain region of the United States, north-facing slopes (downhill direction is toward the north) are typically moister and more heavily forested than south- facing slopes. Why? | back 11 North-facing slopes receive about the same amount of precipitation as south- facing slopes; less mixture evaporates from north- facing slopes. |
front 12 How does deforestation by fire or human activity contribute to mass wasting? | back 12 It kills tree roots that help hold the slopes in place, allowing mass movement. |
front 13 A mass wasting process that involves rotational motion of materials sliding above a distinct slip surface is called ____. | back 13 A slump |
front 14 Organisms contribute to souls formation by ____. | back 14 stirring the soil to allow air infiltration, contributing organic matter to the soil, degrading organic matter to form humus. |