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ACT Reading Test - Natural Science Passage - Practice Test 8
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Avg score: 76% • Most missed: “The authors reference all the following as evidence of the magnitude of the YTT …”

Questions below are based on the following information.

This passage is adapted from Natural Disasters in a Global Environment, by Anthony N. Penna and Jennifer S. Rivers.

ACT Reading Test - Natural Science Passage - Practice Test 8
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10 Questions

1. In comparison to the Younger Toba Turf eruption, the most considerable recorded eruption of Mt. Toba was:
2. The authors reference all the following as evidence of the magnitude of the YTT eruption EXCEPT:
3. As it is used in line 19, stagnant most closely means:
4. According to the passage, the high readings in the atmosphere recorded in the Greenland Ice Sheet are subject to an error margin of about:
5. According to the passage, scientists Stephen Self and Michael R. Rampino feared that the effects of a Mt. Toba eruption could potentially lead to:
6. Given that the authors of the passage refer to Mt. Toba as “the most studied of all known supervolcanos in geological time,” one may find it surprising that:
7. The primary purpose of the seventh paragraph (lines 69-83) is to:
8. The primary purpose of the passage is to:
9. According to the passage, during which of the following periods did the earth experience no super-eruptions that rivaled the size of Mt. Toba’s?
10. According to the passage, evidence uncovered in Antarctica’s Vostok ice core suggests that the worldwide drop in temperatures of about 7 degrees likely occurred between:

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