If greenhouse emissions continue to accumulate in the atmosphere at the current rate over the next century, it is predicted that global temperatures will rise by ________
A) 10°C B) 1°C C) 5°C D) 3°C E) 8°C
E
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What is the relationship between plucking and abrasion on a glacially scoured landscape?
A) Plucking occurs relatively suddenly when a glacier first encounters the landscape, and then if it remains in place for a long time, abrasion begins to happen later over a long period of time. B) Abrasion occurs relatively suddenly when a glacier first encounters the landscape, and then if it remains in place for a long time, plucking begins to happen later over a long period of time. C) Plucking occurs on the upflow side of a mound or hill that is scoured, while abrasion occurs on the downflow side. D) Abrasion occurs on the upflow side of a mound or hill that is scoured, while plucking occurs on the downflow side.
Gravity anomalies beneath young mountain ranges are usually:
a. negative b. positive c. about zero d. highly variable
Shear strength ________.
A. is related to slope angle B. increases as the amount of water in soil increases C. is the total force/stress resisting movement D. is the same as shear resistance
________ biodiversity in an ecosystem leads to ________ long-term stability and productivity
A) Less; greater B) Greater; less C) Less; less D) Greater; greater E) Less; slightly more