Science Quiz / Overview of our Planetary Environment

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Can you name the Overview of our Planetary Environment?

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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
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
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
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
Earth's core is rich in A. ferromagnesian silicates B. iron C. aluminosilicates D. potassium-rich silicates
Which layer within the earth is molten (liquid)? A. oceanic crust B. outer core C. inner core D. mantle
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
Which is a rocky planet? A. Jupiter B. Saturn C. Venus D. Mars
Which is a gaseous planet? A. Jupiter B. Murcury C. Venus D. Mars
Which planet's size and density are most similar to Earth's? A. Mars B. Mercury C. Venus D. Neptune
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
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
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
The major limitation on available farmland is the availability of A. tractors B. water C. seed stock D. petroleum
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
Which geologic hazard causes the greatest amount of structural damage? A. Landslides B. floods C. earthquakes D. unstable soils
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
World population is currently... A. 4 billion B. 5 billion C. 6 billion D. 7 billion
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
Which continent has the fastest rate of population growth? A. North America B. Asia C. Europe D. Africa
An estimate of the maximum population the earth can support is its... A. doubling capacity B. exponential capacity C. carrying capacity D. dynamic capacity
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
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
A typical high population growth rate might be about... A. 1% B. 3% C. 10% D. 30%
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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