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NS140 Chapter 1

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QuestionAnswer
The biosphere refers to which of the following? All life forms on planet Earth
Which of the following statements about the Earth's four spheres is correct? All of the spheres are in motion.
Which of the following is NOT a process that heated the Earth as it formed? The rotation of dust and gas prior to the formation of the planet.
Which of the following layers of the geosphere has the highest internal temperature? The core
Which of the following involves the biosphere? Bacteria in the gut of a human
Approximately what percentage of the atmosphere is concentrated within the first 30 kilometers of the Earth's surface? 99 percent
The hydrosphere helps to transport all of the following across the Earth's surface except? Weather
Most of the water in the Earth's hydrosphere exists as which of the following? Ocean water
A scientist is interested in understanding the underlying mechanism driving changes in the hydrosphere. Which of the following should the scientist study? Solar energy
Cycles on Earth occur in which of the following? Cycles are the results of interacting systems on Earth.
Uniformitarianism is defined as which of the following? Geologic processes that operated in the past are also operating today.
A geologist is watching a volcanic eruption. Volcanic eruptions are examples of which of the following geologic principles? Catastrophism
James Hutton's observations of the development of sandstone led him to which of the following conclusions? Geologic change occurs gradually.
Which of the following is NOT a consequence of the vast span of geologic time? Over geologic time, slow, but variable processes alter the Earth.
William Whewell proposed which of the following principles? Catastrophism
A biologist studying spider monkeys in a Central American forest notices their population decreasing over five years, coinciding with distant logging by local farmers. What might be causing the decline? A feedback mechanism
Which of the following does NOT have the potential to cause a threshold effect? Greenhouse gases
Which of the following is NOT currently a problem threatening to overextend the Earth's capacity to sustain human populations? Decreasing poverty
A group of agricultural farmers wants to decrease their impact on the environment. All of the following are viable options except which of the following? End agricultural production and allow agricultural land to regrow the original vegetation.
According to Jared Diamond's Collapse, ancient human populations such as the Maya, the Anasazi, and the Vikings provide examples of which of the following? A threshold effect
Created by: robynlee
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