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Search Results for million - All Grades

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Grade 5 Vocabulary
Grade 9 Historical Geology
College Symptoms, Diagnosis, and Treatments
According to the CDC, what percentage of adults aged 20-69 have suffered permanent damage to their hearing from excessive exposure to noise?
  1. 15.5 % (approximately 24.2 million)
  2. 17% (approximately 26 million)
  3. 12.5% (approximately 5.2 million)
  4. 22.5% (approximately 33 million)
Grade 8 Historical Geology
About how many years passed after the dinosaurs went extinct before people appear on Earth?
  1. 55 million years
  2. 65 million years
  3. 75 million years
  4. none of the above
Grade 12 Library Science
The Library of Congress is the largest library in the world. About how big is its collection?
  1. Over 158 million items
  2. Over 15 million items
  3. Over 258 million items
  4. Over 58 million items
Grade 8 Volcanoes
Grade 10 Symptoms, Diagnosis, and Treatments
Grade 11 Finance
Grade 7 Historical Geology
When did the Mesozoic era end?
  1. 85 millions years ago
  2. 65 million years ago
  3. 45 million years ago
  4. 25 million years ago
Grade 8 Historical Geology
About how long ago did the dinosaurs first appear on Earth?
  1. 150 million years ago
  2. 230 million years ago
  3. 200 million years ago
  4. 135 million years ago
Grade 12 Physics
At what temperature does nuclear fusion occur in the sun's core?
  1. 1 million degrees Celsius
  2. 5 million degrees Celsius
  3. 50 million degrees Celsius
  4. 15 million degrees Celsius
College Symptoms, Diagnosis, and Treatments
According to the CDC, what percentage of children and adolescents aged 6-19 have permanent damage to inner ear hair cells?
  1. 15.5 % (approximately 24.2 million)
  2. 17% (approximately 26 million)
  3. 12.5% (approximately 5.2 million)
  4. 22.5% (approximately 33 million)
Grade 4 The Frontier
Grade 8 Great Depression
How many shares were traded on Black Tuesday, October 29, 1929?
  1. Over 1 million
  2. Over 10 million
  3. Over 100 million
  4. Over 1 billion
Grade 7 Historical Geology
Earth is about                 years old.
  1. 4.5 million
  2. 4.5 billion
  3. 3.5 billion
  4. 3.5 million
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