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Twelfth Grade (Grade 12) Historical Geology Questions

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Grade 12 Historical Geology
Which of the following may have contributed to climatic changes related to the most recent ice age?
  1. volcanic eruptions
  2. wobbling of Earth's axis
  3. variations in the shape of Earth's orbit
  4. all of these answers
Grade 12 Historical Geology
Which of these is NOT a reason many scientists accept we are coming out of an ice age?
  1. there are higher levels of carbon dioxide
  2. there are fewer glaciers
  3. the temperature at the poles is warming
  4. the ocean levels are falling
Grade 12 Historical Geology
Which of the following periods was the age of the fishes?
  1. Silurian
  2. Cretaceous
  3. Jurassic
  4. Triassic
  5. Devonian
Grade 12 Historical Geology
The most recent ice age was during the
  1. Pennsylvanian Period.
  2. Pleistocene Epoch.
  3. Jurassic Park.
  4. Mesozoic Era.
Grade 12 Historical Geology
During an ice age
  1. continents sink deeper into the asthenosphere.
  2. continents float higher on the asthenosphere.
  3. the oceans rise.
  4. higher latitudes are warmer than lower latitudes.
Grade 12 Historical Geology
The polarity pattern of the ocean crust along the Mid-Atlantic Ridge helped scientists determine
  1. where to find fossils.
  2. the sediment thickness of the ocean floor.
  3. how magnets work.
  4. the age of the oceanic basalt.
Grade 12 Historical Geology
When an ice age occurs, sea levels
  1. rise.
  2. fall.
  3. remain unchanged.
Grade 12 Historical Geology
About how long ago did the most recent glacial advance begin?
  1. 10,000 years ago
  2. 100,000 years ago
  3. 18,000 years ago
  4. 8.5 million years ago
Grade 12 Historical Geology
The Pleistocene glaciation may have been triggered by
  1. a sudden increase in sea level.
  2. a sudden movement of Greenland over the North Pole.
  3. an increase in volcanic activity.
  4. a decrease in sea level.
Grade 12 Historical Geology
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