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College Earth Science Questions

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College Atmosphere
Seasons are caused by
  1. solar radiation
  2. trade winds and currents
  3. distance from the sun
  4. tilt of the earth
College Environmental Science
Earth's climate
  1. has been stable over the history of the planet
  2. is changing as a result of natural and human processes
  3. will stabilize over the next century, according to the predictions of most scientists
  4. has changed only once due to the evolution of green photosynthesizing plants
  5. history is undeterminable because there is no method of studying climatic history of the planet
College Soil
Factors involved in soil formation are
  1. nitrogen-fixing bacteria, grazing by herbivores, tropical storms
  2. erosion, leaching
  3. frequent wildfires, wind, temperatures above 100 degrees F
  4. weathering of parent material, freezing/thawing, tree roots
  5. seasonal changes in tides, earthquakes
College Soil
Humus is
  1. artificial fertilizer applied to monocultures
  2. composed or organic matter and is necessary to fertility and holding soil moisture
  3. found in the E layer of a soil horizon
  4. the result of agricultural runoff into waterways or ground water
  5. one of the primary causes of desertification
College Soil
Which of the following is not true for soil?
  1. has decaying material that supplies nutrients to primary producers in the same ecosystem
  2. pesticide, fertilizers, growth hormones, antibiotics, water, and fossil fuels are relatively quickly removed
  3. a complex system consisting of disintegrated rock, organic matter, water, gases, nutrients, microorganisms
  4. a renewable resource that can be depleted if abused
  5. soil is the foundation for agriculture
College Soil
Factors involved in soil formation are
  1. nitrogen-fixing bacteria, grazing by herbivores, tropical storms
  2. erosion, leaching
  3. weathering of parent material, freezing/thawing, tree roots
  4. frequent wildfires, wind, temperatures above 100 degrees F
  5. seasonal changes in tides, earthquakes
College Rocks
College Environmental Science
Why would the Earth be looked upon as a system?
  1. Due to the earth being complex
  2. Due to earth's density being different throughout
  3. As one aspect changes, another aspect responds to that change
  4. Due to earth being a huge planet
  5. None of the above
College Atmosphere
What is the correct order of atmospheric layers?
  1. stratosphere, mesosphere, thermosphere, aerosphere
  2. mesosphere, thermosphere, aerosphere, troposphere
  3. troposphere, stratosphere, aerosphere, mesosphere
  4. troposphere, stratosphere, mesosphere, thermosphere
  5. troposphere, stratosphere, mesosphere, troposphere
College Historical Geology
Which of the following CANNOT be demonstrated in fossil records?
  1. The number of total individuals in a species
  2. Origin of a new species
  3. Morphological changes within a species
  4. Extinction of a species
College Environmental Science
The primary causes of acid deposition are                                 .
  1. tropospheric ozone
  2. sulfur and nitrogen oxides
  3. soil dust and sand
  4. radon gas and fuel wood smoke
  5. carbon monoxide and formaldehyde
College Environmental Science
College Environmental Science
Energy conservation in the United States
  1. can be accomplished only through changed in environmental laws
  2. is unlikely to ever occur
  3. can be accomplished by changed in tax laws
  4. will be reality only if there is another major war
  5. can be improved as individuals make conscious choices to reduce personal consumption
College Environmental Science
Which of the following is a non-point pollution source?
  1. Acid mine drainage
  2. A pipe coming out of a factory
  3. Raw sewage being discharged from a cruise ship
  4. Run-off from agricultural fields
  5. A sewage treatment plant
College Environmental Science
College Atmosphere
The Coriolis effect                                                               .
  1. keeps Earth from spinning too fast
  2. is caused by the moon
  3. results in ice and dark at the poles in winter
  4. keeps the wind circulating at constant speed around the planet
  5. is caused by earth's rotational forces
College Geomorphology
A mountain or mountain building event
  1. Fault
  2. Caldera
  3. Orogeny
  4. Rifting
  5. Tumuli
College Atmosphere
The Great Oxidation Event took place approximately how many years ago?
  1. 900 million
  2. 2.3 billion
  3. 2.5 billion
  4. 4.6 billion
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