hotpots. an ocean trench is formed when two converging plates collide
TRANSCRIPT
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Hotpots
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• An ocean trench is formed when two converging plates collide.
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Poisonous Gases
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• Hot poisonous gases make breathing impossible and people succumb quickly
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Wind shear
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• Wind shear is a factor in hurricane development and strength
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The Coriolis effect
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• Coriolis effect is not a function of gravity but of the Earth’s rotation and air movement
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Troposphere
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• The troposphere is the atmospheric layer where most weather takes place
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recharges
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• Aquifers can be recharged through snow melt and infiltration
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watersheds
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• The boundary between two watersheds is called a divide
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10000
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• Residence time in groundwater can be many thousands of years.
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Gause’s principle explains that
• No two species can fill the same niche at the same time
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• Gause’s principle explains that no two species can fill the same niche at the same time.
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Chance alterations ins the genetic material of cell’s nucleus are known as
• Genetic drift
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• Random protein breaks or other genetic changes are known as genetic drift
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A species’ placement within a food chain or web is known as its
• Trophic level
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• Trophic levels include producers, consumers, and decomposers
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What population dynamic princilpe is described by the equation rN+^/^t
• Biotic potential
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• Biotic potential is the rate of growth(r) times the number of individuals (n), which is equal to the change in the number of individuals (^n) in a population over a change in time (^t). The r component describes an individual's average role in population growth.
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What tool do scientists use to study and predict changes in a population
Age-structure diagrams
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• Age-structure diagrams help scientists predict trends in a specific population
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Logistic growth is obtained from the equation rN(1-N/K) + ^N/^t,. Where K is
• Copyright infringement
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• Change in population number over time (^N/^t) is equal to exponential growth over time (r times N) times the carrying capacity (K) of the population size (N). The term (1-N/K) stands for the relationship between N, a point in time, and K, the number of individuals supported by the environment.
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All the following are pesticides except
• Odonticides
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• Insecticides (kill insects), herbicides (kill plants/weeds), acaricides (kill spiders and ticks), and fungicides (kill molds a and fungus) are types of pesticides.
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Old-growth forests have
Never been harvested
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• Old-growth forests have wide diversity and have never been harvested.
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The area needed for a population to provide for itself and dispose of its waste is called its
Ecological footprint
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• Americans’ ecological footprint (10hectares/person) is larger than that of other countries
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The IUCN focuses the bulk of its environment efforts on all of the following, except
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• The IUCN protects hot spots from economic development
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How many toxic air pollutants are released yearly from U.S. mining operations as estimated by the Environmental Protection Agency
100
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• The EPA lists over 200 toxic air pollutants from U.S. mining operations yearly
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Which of the following does the United States depend on for 85% of its energy
• Fossil fuels
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• The United States has become increasingly dependent on fossil fuels for energy
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The term for which energy’s rate of flow or the rate at which work is accomplished is
• Power
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• Power is the term used to describe the rate of the flow of energy
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In 1898, which scientist coined the term radioactivity
• Marie Curie
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• French scientist Marie Curie coined the term radioactivity and, along with her husband Pierre, received the Nobel Prize for her work in radioactivity.
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Uranium oxide, found in granite and other volcanic rocks, is also known as
• pitchblende
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• Pitchblende is a common name for uranium oxide ore.
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Of the 439 nuclear power plants worldwide, how many are in the United States
• 104
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Nearly 25% of the nuclear power worldwide are in the United States
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When nuclear core temperatures rise out of control, causing the core to melt through the Earth’s crest, it is known as
• The China syndrome
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• It was feared the core would melt through all the way to china
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The Staebler-Wronski effect describes
• Solar cell degradation
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• Thin-film solar cells of amorphous silicon experience a 15 to 30% decreased yield when exposed to sunlight.
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Electricity sent out in small amounts to nearby points where it is needed is known as
• Distributed power
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Hub locations collect power and the n distribute it to nearby locations that need it
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What percentage of United States power comes from geothermal energy
• 10%
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• Fully 10% of our power comes from geothermal sources, mostly in the western United States.
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Toxic pollutants trapped indoors and mixed with mold spores has led to
• Sick building syndrome
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• Sick building syndrome increases health problems and results in more sick days off
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The Corporate Average Fuel Economy (CAFÉ) for motor vehicles was created by the
• Energy Policy and conservation act
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• To reduce fuel consumption and emissions, the CAFÉ standard requires vehicles to have an average fuel efficiency of 27.5 miles per gallon
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Which of the following pH measurements from water could indicate acidic mine drainage
• pH 5.1
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• A solution with a pH value of 7 neutral, while a pH value<7 is acidic and a pH value>7 is basic. Natural waters typically have a pH between 6 and 9