| The Big Bang Occurred... A. 10 to 15 billion years ago B. 3.8 billion years ago C. 4.5 billion years ago D. 450 million years ago |
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| The Earth and the rest of our solar system formed The Big Bang Occurred... A. 10 to 15 billion years ago B. 3.8 billion years ago C. 4.5 billion years ago D. 450 million years ago |
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| The two most abundant elements in the crust are A. magnesium and potassium B. Iron and aluminum C. Sodium and calcium D. oxygen and silicon |
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| Earth's internal layers, in order from outermost to innermost, are A. core, mantle, crust B. crust, core, mantle C. mantle, crust, core D. crust, mantle, core |
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| Earth's core is rich in A. ferromagnesian silicates B. iron C. aluminosilicates D. potassium-rich silicates |
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| Which layer within the earth is molten (liquid)? A. oceanic crust B. outer core C. inner core D. mantle |
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| Humans (Homo sapiens) first appeared A. 50 million years ago B. 5 million years ago C. 500 thousand years ago D. 50 thousand years ago |
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| Which is a rocky planet? A. Jupiter B. Saturn C. Venus D. Mars |
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| Which is a gaseous planet? A. Jupiter B. Murcury C. Venus D. Mars |
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| Which planet's size and density are most similar to Earth's? A. Mars B. Mercury C. Venus D. Neptune |
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| Exponential population growth means that... A. growth increases at a steady rate B. growth decreases at a steady rate C. growth increases at a slower rate D. growth increases at a |
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| In general, consumption of resources has... A. increases faster than population growth B. increased slower than population growth C. increased the same as population growth D. decr |
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| As a result of the earth's dynamic nature some geologic processes A. change progressively B. change cyclically C. are interrelated D. All of the above |
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| The major limitation on available farmland is the availability of A. tractors B. water C. seed stock D. petroleum |
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| An hypothesis is... A. is a tentative explanation for a set of data or observations B. is falsifiable C. can become a theory after being tested many times D. all of the above |
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| Which geologic hazard causes the greatest amount of structural damage? A. Landslides B. floods C. earthquakes D. unstable soils |
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| Using the equation D = 70/G, what is the doubling time for a population growing at a rate of 1.6% per year? A. 112 years B. 44 years C. 4 years D. 11 years |
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| World population is currently... A. 4 billion B. 5 billion C. 6 billion D. 7 billion |
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| Humans have caused... A. the amount of water in the global ocean to decrease B. the amount of carbon dioxide in the atmosphere to increase C. the amount of oxygen in the atmosphere |
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| Which continent has the fastest rate of population growth? A. North America B. Asia C. Europe D. Africa |
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| An estimate of the maximum population the earth can support is its... A. doubling capacity B. exponential capacity C. carrying capacity D. dynamic capacity |
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| Which food crop requires the most water? A. one ton of corn B. one ton of wheat C. one ton of rice D. one ton of beef |
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| Greater resource use can lead to... A. environmental damage from extraction B. Waste generation from consumption C. pollution from disposal D. all of the above |
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| A typical high population growth rate might be about... A. 1% B. 3% C. 10% D. 30% |
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| The classical scientific method is not strictly applicable to geology because... A. hypotheses don't apply to rocks. B. time scales make it hard to fully test hypotheses C. geologi |
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